Functions Review

f(x) = 4x + 5

f(4) = ?

(a)  

f(x) = x² − 5x

f(4) = ?

• −4

• 126

• 24

• 84

g(x) = 5 − 6x

g(−5) = ?

(a)  

f(x) = 3x² − 11

f(−5) = ?

(a)  

f(x) = −2x − 12

f(−5) = ?

• −22

• −2

• −19

• −5

f(x) = −2x + 13

f(10) = ?

• −7

• 1

• −8

• 7

f(x) = 4x + 5

f(4) = ?

(a)  

h(x) = −x² + 3x

h(−3) = ?

• 0

• −18

• −12

• −6

f(x) = −2x + 13

f(−4) = ?

• 21

• 5

• −8

• 7

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25