Functions Level 1

Question 1

The function defined by f(x)= 1∕x is continuous.

Accepted Answer

False

Question 2

For f(x)= x2+ 2x and g(x) = x - 4 find (f°g)(9)

Accepted Answer

35

Question 3

An even function is symmetric with respect to the _______.

Accepted Answer

y-axis

Question 4

An odd function is symmetric with respect to the _________.

Accepted Answer

Origin

Question 5

The end behavior of the graph of ⨍(x) = -8x3 is ___ to left and ___ to the right.

Accepted Answer

up; down

Question 6

A quadratic function is a polynomial of degree ___?

Accepted Answer

2

Question 7

For f(x)= -2x and g(x) = |x - 4| find (f÷g)(4)

Accepted Answer

Undefined

Question 8

The maximum number of turning points of the graph of f(x)= -3x6-4x5-5x3+6 is

Accepted Answer

5

Question 9

The graph of f(x)= |x| is smooth.

Accepted Answer

False

Question 10

The leading term of f(x)= -1∕3 (x-3)4(3x+5)2 is

Accepted Answer

-3x6

Question 11

For f(x)= x2+ 2x and g(x) = x - 4 find f(g(-4))

Accepted Answer

48

Questions 11