Question 1

Given $f(x)=x^{2}-10x+15$ , find $f(-1)$

Accepted Answer

26

Answer

24

Answer

4

Answer

6

Question 2

Given $f(x)=x^{2}-10x+15$ , find $f(7)$

Accepted Answer

$-6$

Answer

$36$

Answer

$-36$

Answer

$134$

Question 3

Given $f(x)=x^{2}-10x+15$  and $g(x)=-2x^{2}+6x-5$, find $(f+g)(x)$

Accepted Answer

$-x^{2}-4x+10$

Answer

$-x^{2}+4x+10$

Answer

$3x^{2}-16x+20$

Answer

$-3x^{2}+4x-10$

Question 4

Given $f(x)=x^{2}-10x+15$  and $g(x)=-2x^{2}+6x-5$, find $(f-g)(x)$

Accepted Answer

$3x^{2}-16x+20$

Answer

$-3x^{2}+16x+10$

Answer

$3x^{2}+4x+20$

Answer

$-x^{2}-4x+10$

Question 5

Given $f(x)=x^{2}-10x+15$  and $g(x)=-2x^{2}+6x-5$, find $(f*g)(2)$

Accepted Answer

$1$

Answer

$-23$

Answer

$23$

Answer

$-1$

Question 6

Given $f(x)=x^{2}-10x+15$  and $g(x)=-2x^{2}+6x-5$, find $(f+g)(-2)$

Accepted Answer

$14$

Answer

$-15$

Answer

$-14$

Answer

$15$

Question 7

Multiply $(x-1)(x+2)(x+3)$

Accepted Answer

$x^{3}+4x^{2}+x-6$

Answer

$x^{3}+2x^{2}-5x-6$

Answer

$x^{3}+x^{2}-2x-6$

Answer

$3x^{2}-3x-6$

Question 8

Multiply $(x^{2}+2x+1)(2x^{2}-4x-2)$

Accepted Answer

$2x^{4}-8x^{2}-8x-2$

Answer

$2x^{4}-10x^{3}-8x^{2}-8x-2$

Answer

$2x^{4}-8x^{2}-2$

Answer

$2x^{4}-10x^{2}-8x-2$

Question 9

Multiply $(x-3)^{2}$

Accepted Answer

$x^{2}-6x+9$

Answer

$x^{2}+6x+9$

Answer

$x^{2}+9$

Answer

$x^{2}-9$

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