Question 1

What is f(1) if $f(x) = x^2 + 3x - 1$?

Accepted Answer

3

Answer

1

Answer

2

Answer

-1

Question 2

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) + g(x)$ if x is -2?

Accepted Answer

6

Answer

9

Answer

1

Answer

3

Question 3

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) - g(x)$ if x is -3?

Accepted Answer

21

Answer

13

Answer

-13

Answer

-20

Question 4

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) * g(x)$ if x is -2?

Accepted Answer

-27

Answer

27

Answer

-18

Answer

18

Question 5

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x + 2$ what is $f(x) + g(x)$ if x is -5?

Accepted Answer

36

Answer

9/(-7)

Answer

12

Answer

3

Question 6

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) + g(x)$?    Combine the functions and simplify.

Accepted Answer

$x^2 - 2x - 2$

Answer

$x^2 - 2x + 2$

Answer

$x^2 -4x - 2$

Answer

$x^2 + 2x - 2$

Question 7

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) - g(x)$?    Combine the functions and simplify.

Accepted Answer

$x^2 - 4x$

Answer

$x^2 + 4x$

Answer

$x^2 - 4x - 2$

Answer

$x^2 - 4x  +2$

Question 8

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(x) * g(x)$?    Combine the functions and simplify.

Accepted Answer

$x^3 - 4x^2 + 2x + 1$

Answer

$x^3 - 3x^2 + 4x + 1$

Answer

$x^3 - 4x^2 + 4x - 1$

Answer

$x^3 - 4x^2 + 2x  -1$

Question 9

If $f(x) = x^2 + 8x + 12$ and $g(x) = x + 6$ what is f(x)/g(x)?

Accepted Answer

$x + 2$

Answer

$x + 6$

Answer

$x - 6$

Answer

$x - 2$

Question 10

If $f(x) = x^2 + 8x + 12$ and $g(x) = x + 6$ what is f(g(x))?

Accepted Answer

$x^2 + 20x + 96$

Answer

$x^2 + 8x$

Answer

$x^2 + 8x + 96$

Answer

$x^2 + 20x$

Question 11

If $f(x) = x^2 + 8x + 12$ and $g(x) = x + 6$ what is g(f(x))?

Accepted Answer

$x^2  + 8x + 18$

Answer

$x^2  + 18$

Answer

$x^2  + 8x + 6$

Answer

$x^2  + 8x + 20$

Question 12

If $f(x) = x^2  + 8x + 11$ then what is f(-2x)?

Accepted Answer

$4x^2 - 16x + 11$

Answer

$-4x^2 - 16x + 11$

Answer

$4x^2 + 16x + 11$

Answer

$-4x^2 + 16x + 11$

Question 13

If $f(x) = x^2 + 8x + 11$, what is f(-x)?

Accepted Answer

$ x^2 - 8x + 11$

Answer

$x^2 - 8x - 11$

Answer

$(-x)^2 + 8x + 11$

Answer

$-x^2 +8x+11$

Question 14

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$  combine the functions as displayed above.  Simplify to find the new function h(x).

Accepted Answer

$(8x^3+8x^2-8x+1)/2$ or $(4x^3+4x^2-4x+1/2)$

Answer

$(8x^3+8x^2-8x-1)/2$ or $(4x^3+4x^2-4x-1/2)$

Answer

$(-8x^3+8x^2-8x+1)/2$ or $(-4x^3+4x^2-4x+1/2)$

Answer

$(-8x^3+8x^2-8x-1)/2$ or $(-4x^3+4x^2-4x-1/2)$

Question 15

If $f(x) = x ^2 - 3x - 1$ and $g(x) = x - 1$ what is $f(-x) + g(-2x)$?     Combine the functions as displayed above.

Accepted Answer

$x^2 + x - 2$

Answer

$x^2 - x - 2$

Answer

$x^2 - x + 2$

Answer

$x^2 + 2x + 1$

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