10.2 Operations on Functions

g(a)=3a+3

f(a)=2a−2

Find (g + f)(9)
 
 
 
 
 
 
g(a)=a3+5a2

f(a)=2a+4

Find g(3)+ f(3)
 
 
 
 
 
 
 
h(n)=2n−1

g(n)=3n −5

Find h(0)÷ g(0)
 
 
 
 
 
 
g(x)=−4x+1

h(x)=−2x −1

Find g(5)+h(5)
 
 
 
 
 
 
 
 
f(n)=n −5

g(n)=4n+2

Find (f + g)(−8)
 
 
 
 
 
f(x)=−3x2+3x

g(x)=2x+5

Find f(−4)÷ g(−4)
 
 
 
 
 
 
 
 
 
 
h(t)=t+5

g(t)=3t−5

Find (h · g)(5)
 
 
 
 
 
 
g(x)=x+3

f(x)=−x+4

Find (g − f)(3)
 
 
 
 
 
 
 
g(a)=3a−2

h(a)=4a−2

Find (g +h) (−10)
 
 
 
 
 
 
f(x)=3x −4

g(x)=x3+2x2

Find (f * g)(x)