Free Printable Pretest 1B

1.

Which of the following sets of ordered pairs represents a function?

a)

{(6, 1), (-11, -1), (8, 2), (4 -2), (9, 4), (-2, -10)}

b)

{(-2, -1), (-2, 5), (7, 8), (-2, 5), (3, 9), (-3, 1)}

c)

{(8, 2), (6, -2), (7, 4), (-11, -4), (8, 3), (-9, 5)}

d)

{(1, 4), (-1, -1), (7, 2), (-1, -2), (6, 3), (1, -5)}

2.

What type of correspondence is shown by the diagram below?

a)

one-to one

b)

many-to-one

c)

one – to-many

d)

many –to- many

3.

Which of the following correspondences does NOT show a function?

a)

one-to one

b)

many-to-one

c)

one – to-many

d)

none of the above

4.

Which of the following graphs is NOT a function?

a)

b)

c)

d)

5.

By applying the vertical line test, which of the following graphs represents a function?

a)

b)

c)

d)

6.

Which of the following is a representation of the set of ordered pairs {(1,3), (2,0), (3,-2)} ?

a)

b)

c)

d)

y = 2x - 4

7.

What ordered pairs can be generated by the function y= 3x + 5 ?

a)

{(-2, 6), (-1, 5), (8, 32)}

b)

{(-2, -1), (-1, 2), (1, 8)}

c)

{(-4, 5 ), (2, 4), (3, 11)}

d)

{(-4, 8), (-2, 10), (7, 22)}

8.

What is the domain of this set?

{(-8, -2), (8, 2), (-1, -1), (1, 1), (27, 3), (-27, -3)}

a)

{-3, -2, -1, 1, 3, 8, 27}

b)

{-27, -8, -1, 1 , 8, 27}

c)

{-27, -3, -2, -1, 1, 2, 3, 8}

d)

{-3, -2, -1, 1, 2, 3}

9.

If $f\left(x\right)=2x+4$ and $g\left(x\right)=3x^2$ , what is $\left(f+g\right)\left(x\right)$ ?

a)

3x^2+2x+4

b)

$3x^2-2x+4$

c)

$x^2+2x+4$

d)

$3x+6$

10.

If $f\left(x\right)=2x+4$ and $g\left(x\right)=3x^2$ , then what is $\left(f\circ g\right)\left(x\right)$ ?

a)

$3\left(2x+4\right)^2$

b)

$6x^2+4$

c)

$6x+8$

d)

$4x^2+16x+1$

Pretest 1B

Total questions: 10

Worksheet time: 3mins

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