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Post New Question
All Questions
+0
234777 Questions
+1
460
2
+59
help me please
f(x) = 2x+1
g(x)= 3x-2
Find:
a) f-1(x), the inverse function
b) f(g(x)), a composition
c) g(f(x)), another composition
d) 2f(g(x)) = 3g(f(x))
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helloguys
Jan 20, 2021
+1
581
3
line
The equation of the line that passes through the points (-2,0) and (0,8) can be expressed in the form y=mx+b. What is the value of m+b?
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Guest
Jan 20, 2021
0
297
0
what so I having a problem
what so I having a problem
Guest
Jan 20, 2021
+1
329
1
line
Line 1 represents the graph of 3x + 4y = -14. Line 2 passes through the point (5,7), and is perpendicular to line 1. If line 2 represents the graph of y=mx +b, then find m+b.
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Guest
Jan 20, 2021
+1
462
0
+59
math
f(x) = 2x+1
g(x)= 3x-2
find:
a) f -1(x)
read more ..
helloguys
Jan 20, 2021
+1
501
1
+26
ellipse
center (5,3), horizontal major axis of length 20, minor axis of length 16. what is the standard equation?
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enzooo18
Jan 20, 2021
+1
492
0
+26
ellipse
standard equation of foci (-7,6) and (-1,6), the sum of the distances of any point from the foci is 14.
enzooo18
Jan 20, 2021
+1
320
1
algebra
Jasmine had 3 paperclips on Monday, then she had 9 on Tuesday, and her number of paperclips proceeded to triple on each subsequent day. On what day of the week did she first have more than 100 paperclips?
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Guest
Jan 20, 2021
0
289
0
math problem
Given that the focus is (-3,-5/4) and the directrix is y= -3/4, what is the equation of the parabola?
Guest
Jan 20, 2021
0
296
0
Asymptotes, intercepts, symmetry, mirror line, intervals
a) Use the asymptotes and intercepts to make a quick sketch of the function f(x) =x-2/x+4 and its reciprocal,g(x)= x+4/x-2 , on the same set of axes.
b) Describe the symmetry in the graphs in part a).
c) Determine the
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Guest
Jan 20, 2021
0
326
0
Write an equation for a rational function whose graph has all of the following features:
Write an equation for a rational function whose graph has all of the following features:
• vertical asymptote with equation x = 3
• horizontal asymptote with equation y = 2
• hole at x = 1
read more ..
Guest
Jan 20, 2021
0
451
0
Savings
Suppose you are 30 years old and would like to retire at age 60. Furthermore, you would like to have a retirement fund from which you can draw an income of $100,000 per year–forever! How much would you need to deposit each month to do this? Assume
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Guest
Jan 20, 2021
0
462
1
reflection
Find the reflection of the point (10,9) in the line 4x - 3y + 12 = 0.
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Guest
Jan 20, 2021
0
416
1
please help
Circle $\Gamma$ with center $O$ is tangential to $PA$ at $A$. Line $PO$ extended intersects $\Gamma$ at $B$ (i.e. $PO < PB$). $C$ is a point on $AB$ such that $PC$ bisects $ \angle APB$. What is the measure (in degrees) of $ \angle PCA$?
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Guest
Jan 20, 2021
0
678
10
+15
Please help with homework problems. If possible can you please explain as thoroughly as you can so I can understand?
I know I'm not supposed to have help for homework problems but I'm really stuck on these 3, if possible can you please help and explain? Much appreciated.
(A) The
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LunarSF
Jan 20, 2021
0
483
4
age problem
Seven years ago, my mother was seven times older than me.
In exactly eight years from now, my mother will be two times older than me.
How old is my mother now?
MooMooooMooM
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Guest
Jan 20, 2021
0
452
3
complex system
\[ \large \begin{cases}{ \color{blue}a \times \color{brown}b \times \color{green}c = \color{violet}{15}} \\ {\color{brown}b \times \color{green}c\times \color{red}d = \color{violet}{30}} \\ {\color{green}c\times \color{red}d \times \color{blue}a = \color{violet}{10}}
read more ..
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Guest
Jan 20, 2021
0
534
2
+83
Circles
Circles C1 and C2 lie in the plane. C1 has center at A and radius 5, and C2 has center at B and radius 7. The distance from A to B is 10. The two circles intersect in points P and Q. Let L be a line through P that intersects C1 at P and E and intersects
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SaltyGrandma
Jan 20, 2021
0
494
2
help i am stuck with this
In how many ways can we pick three different numbers out of the group such that the largest number is larger than the product of the two smaller ones? (The order in which we pick the numbers does not matter.)
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Guest
Jan 20, 2021
0
420
1
inequality
Solve the inequality 2x - 5 <= x + 12. Give your answer as an interval.
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Guest
Jan 20, 2021
0
486
2
ratios
In a zoo the ratio of giraffes to apes is 6 to 5 and the ratio of apes to zebras is 8 to 1. What is the minimum number of zebras the zoo could have?
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Guest
Jan 20, 2021
0
429
2
number theory
What is the smallest positive integer that can be written in the form 2002m + 444n, where m and n are integers?
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Guest
Jan 20, 2021
0
704
6
I really need help on these questions
1) In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from to , and one SuperBall is drawn (at random) from ten red balls numbered from to . When you buy a ticket, you choose three
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Guest
Jan 20, 2021
0
373
1
Help pls
Find all complex numbers x such that x^4=-4
Note: All solutions should be expressed in the form a+bi, where a and b are real numbers.
i is "imaginary number," not a variable
read more ..
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Guest
Jan 20, 2021
0
330
1
prime factorization
In the prime factorization of 24! + 12!, what is the exponent of 3? (Reminder: The number n! is the product of the integers from 1 to n
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Guest
Jan 20, 2021
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