Algebra 2 0.1-0.3

Does this graph represent a function?

• Yes!

• No!

Answer explanation

It does not pass the vertical line test, so no it is not a function.

Is this relation a function?

• Function!

• Not a function!

Tags

CCSS.8.F.A.1

True or False - All relations are functions

• True

• False

Answer explanation

No, not all relations are functions. BUT all functions are relations!

Tags

CCSS.8.F.A.1

Tags

CCSS.HSF.IF.A.2

Tags

CCSS.HSF.IF.A.2

If  f(x) = –x² - 2   and    g(x)= ½x - 1,

Find 2g(4)

• 4

• 1

• 2

• 3

Tags

CCSS.HSF.IF.A.2

If  f(x) = –x² - 2   and    g(x)= ½x - 1,

Find f(-2) + g (4)

• 3

• -5

• 2

• -3

Tags

CCSS.HSF.IF.A.2

• (-2, 3)

• (-1, 2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• (-3, 2)

• (1, 2)

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5