All Questions

641

Simplifying this rational expression?

the textbook answer is . how should i get this?

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Guest Jul 23, 2018

710

Help with a few

Thanks ina advance
1.How many distinct subsets of the set S=1,8,9,39,52,91 have odd sums? (As an example, 1,8,52 is one such subset, because 1+8+52 equals 61, which is odd.)

2.How many distinct subsets of the set read more ..

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Guest Jul 23, 2018

Jul 22, 2018

-2

3174

+1246

A few questions!

1. The graph of $y=f(x)$ is shown in red below. For how many values of $c$ is $f(c) = -1$? (Assume grid lines are spaced 1 unit apart.) read more ..

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Lightning Jul 22, 2018

-1

1884

+1246

Grahping Functions

Let $f(x)$ be the function defined on $-1\le x\le 1$ by the formula $$f(x)=1-\sqrt{1-x^2}.$$This is a graph of $y=f(x)$: If a graph of $x=f(y)$ is read more ..

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Lightning Jul 22, 2018

-1

785

+1246

Functional Operations

If $$ and $$, find the sum of all possible values of $x$.

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Lightning Jul 22, 2018

-1

755

+1246

Domain and Range

What real values of $x$ are not in the domain of ?

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Lightning Jul 22, 2018

-1

743

+1246

Inverse Functions

Let $f(x)=7x+5$ and $g(x)=x-1$. If $h(x)=f(g(x))$, then what is the inverse of $h(x)$? Anwer is not [x+5]/6!

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Lightning Jul 22, 2018

801

help

Consider the set
which consists of all positive integers whose digits strictly increase from left to right. This set is finite. What is the median of the set?

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Guest Jul 22, 2018

939

+413

maths

Q .If θ1,θ2 and θ3 are three values lying in [0, 3(π)] for which tanθ=λ .Then [(tan θ1/2)*(tan θ2/2)+ (tan θ2/2*(tan θ3/2)+(tan θ3/2)*(tan θ1/2)] is equal to

kes1968 Jul 22, 2018

511

Help

If the point $(2,9)$ is on the graph of $y=f(x)$, then there is one point which must be on the graph of $y=f(-x)$. What is the sum of that point's coordinates?

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Guest Jul 22, 2018

783

Rearranging log equation

4.31=log(x)
I've looked around on google and youtube for an answer to this type of question, but I haven't found any. Tips anyone?

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Guest Jul 22, 2018

1711

Help me

Suppose the function $f(x)$ is defined on the domain $\{x_1,x_2,x_3\}$, so that the graph of $y=f(x)$ consists of just three points. Suppose those three points form a triangle of area $32$. The graph of $y = 2f(2x)$ also consists of just three points. What read more ..

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Guest Jul 22, 2018

Jul 21, 2018

555

help

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mooman525 Jul 21, 2018

630

How would I simplify this rational expression?

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Guest Jul 21, 2018

568

Dice anyone?

What is the total, between 12 and 72, of rolling a dozen dice that will give the greatest probability of occurrence? Secondly, what is that probability?
Thank you very much for help.

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Guest Jul 21, 2018

2538

+541

HELP ME

Megan is jealous of her older sister's a by b inch Zac Efron poster, so she cuts out a rectangle around his face, which has dimensions (a/2)-2 by (b/3)-5, and steals it. Megan's older sister decides she's over Zac Efron anyways, and uses the rest read more ..

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xXxTenTacion Jul 21, 2018

-1

1677

+1246

Inverse Functions

When the expression $-2x^2-20x-53$ is written in the form $a(x+d)^2+e$, where $a$, $d$, and $e$ are constants, then what is the sum $a+d+e$?

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Lightning Jul 21, 2018

906

+30

Need help for this too

John draws a regular five pointed star in the sand, and at each of the 5 outward-pointing points and 5 inward-pointing points he places one of ten different sea shells. How many ways can he place the shells, if reflections and rotations of an arrangement read more ..

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Memes4Life132 Jul 21, 2018

2263

+30

I need help fast

In the local frisbee league, teams have 7 members and each of the 4 teams takes turns hosting tournaments. At each tournament, each team selects two members of that team to be on the tournament committee, except the host team, which selects three members. read more ..

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Memes4Life132 Jul 21, 2018

-1

863

+1246

Inverse Functions

Let f(x)=3x+4 and g(x)=2x-3. If h(x)=f(g(x)), then what is the inverse of h(x)?

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Lightning Jul 21, 2018

-1

760

+1246

Domain and Range

Suppose the function f(x) is defined explicitly by the table This function is defined only for the values of x listed in the table. Suppose g(x) is defined as f(x)-x for all numbers x in the domain of f. How many read more ..

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Lightning Jul 21, 2018

-1

663

+1246

Functional Operations

Define as . If , what is the value of ?

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Lightning Jul 21, 2018

All Questions ⁺⁰237722 Questions

Simplifying this rational expression?

Help with a few

A few questions!

Grahping Functions

Functional Operations

Domain and Range

Inverse Functions

help

maths

Help

Rearranging log equation

Help me

help

How would I simplify this rational expression?

Dice anyone?

HELP ME

Inverse Functions

Need help for this too

I need help fast

Inverse Functions

Domain and Range

Functional Operations

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