1- for the function: f(x)= x2 + 2x + 1

Calculate f(b)

f(b)= b2 + 2b + 1 f(b)= 4b + 1 f(b)= b2 + 1 Answers A, B, and C above are all incorrect.

QUESTION 2 Given the function: f(x)=3x7 for x0

f(x)=-2x+3 for x<0

Find:

f(-5)

f(-5)=13 f(-5)=-22 f(-5)=-13 None of the above.

QUESTION 3 Find the equation of the line perpendicular to y = -2x + 100, which contains the point (-4, -4). y = -2x 10 y = 0.5x 2 y = 0.5x + 2 None of the above.

QUESTION 4

Solve the equation:

3x2-13x-10=0

{x=-1/5, x=3}

{x=5, x=-2/3}

{x=5, x=-3/2}

None of the above.

None of the above.

QUESTION 5 Given the function: f(x)=-27x3+9x2+3x1

Find:

f(-1/3)

f(-1/3)=1/9 f(-1/3)=0 f(-1/3)=-3 None of the above.

QUESTION 6 Given the function: f(x)=5x2+3x

Find:

f(a+h)

5a2+5h2+3a+3h 3a2+6ah+3h2+5a+5h 5a2+10ah+5h2+3a+3h None of the above

QUESTION 7

Find the domain of the function

4

f(x) = --------------

_______

2x - 5

{x|x5/2} All real numbers except 5/2

{x|x 5/2 } All real numbers greater than or equal to 5/2.

{x|x > 5/2 } All real numbers greater than 5/2.

None of the above.

QUESTION 8 Write the equation of the line whose slope is "m" is -1 and its "y-intercept" is -3 x + y = 3 x y = 3 x + y = -3 None of the above.

QUESTION 9 Given the function: f(x)=3x7 for x0

f(x)=-2x+3 for x<0

Find:

f(5)

f(5)=-7 f(5)=-5 f(5)=8 None of the above.

QUESTION 10

Determine the domain of the function:

4

f(x) = -----------------

(x2-1)

{x|x-1}

{x|x-1, x1}

{x|x1}

None of the above.