1.2 TRIG functions day 1 did not need

A relation is a function if for every x, there is only one ______.

• x

• y

• z

• w

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Answer explanation

This is the cube root of x

Answer explanation

Find f(-2) for the function f(x) = 3 - 2x

• 7

• 0

• -3

• 2

• -1

Tags

CCSS.HSF.IF.A.2

Does this table of points represent a function?

• Yes

• No because there two 3's

• No because there are two 7's

Answer explanation

(3,7) and (3,10) means x = 3 has more than one y

Tags

CCSS.8.F.A.1