dp1806

37 Questions
19 Answers

0

665

1

+109

Find the greatest value of 'a' such that

Find the greatest value of "a" such that

dp1806 Sep 7, 2020

0

602

2

+109

pls help fast guys

Let

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dp1806 Sep 7, 2020

0

602

2

+109

pls help fast guys, it's really urgent!

Given that , and find

dp1806 Sep 7, 2020

-1

756

2

+109

it's urgent

Given that $a(a+2b) = \frac{104}3$, $b(b+2c) = \frac{7}{9}$, and $c(c+2a) = -7$, find $|a+b+c|$.

dp1806 Sep 2, 2020

0

913

10

+109

it's urgent, guys pls fast

Let\[ f(x) = \begin{cases} -\sqrt[3]x & \text{if } x \geq 0,\\ x^2& \text{if } x <0. \end{cases} \]Compute $f(f(f(f(512)))).$

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dp1806 Sep 2, 2020

-1

517

1

+109

help pls asap

Let be defined by

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dp1806 Sep 1, 2020

-1

488

1

+109

pls help

Let $f$ be defined by\[f(x) = \left\{ \begin{array}{cl} 2-x & \text{ if } x \leq 1, \\ 2x-x^2 & \text{ if } x>1. \end{array} \right.\]Calculate $f^{-1}(-3)+f^{-1}(0)+f^{-1}(3)$.

dp1806 Aug 31, 2020

+2

581

1

+109

help asap

Let\[f(x) = \begin{cases} 3x + 5 &\text{if }x<-3, \\ 7-4x&\text{if }x\ge -3. \end{cases} \]Find $f(5)$.

dp1806 Aug 31, 2020

-1

540

1

+109

pls help

Let\[p(x,y) = \begin{cases} x + y &\quad \text{if } x \ge 0 \text{ and } y \ge 0, \\ x - 2y &\quad \text{if } x < 0 \text{ and } y < 0, \\ 3x + y &\quad \text{otherwise}. \end{cases} \]What is $p(p(1,-1),p(-5,-2))$?

dp1806 Aug 29, 2020

-1

615

3

+109

please help me

Let\[f(x) = \left\{ \begin{array}{cl} x^2-4 & \text{ if }x < 7, \\ x-13 & \text{ if } x \geq 7. \end{array} \right.\]What is $f(f(f(17)))$?

dp1806 Aug 28, 2020

0

1014

2

+109

please help asap

The sum of the first $n$ terms in the infinite geometric sequence $\left\{\frac{1}{4},\frac{1}{8},\frac{1}{16},\dots \right\}$ is $\frac{255}{512}$. Find $n$.

dp1806 Aug 28, 2020