larassialynn larassialynn
  • 28-05-2015
  • Mathematics
Answered

1. f(x) = 2x + 6 Evaluate f(2)


2. f(x) = 3x Evaluate f(a + 1)


3. f(x) = 3x – 1 and g(x) = 5x + 3 Evaluate f(2) + g(3)



Answer :

hunaifirst hunaifirst
  • 28-05-2015
1) f(x)=2x+6
f(2)=2(2)+6
=4+6
=10

2)f(x)=3x
f(a+1)=3(a+1)
=3a+3
3)f(x)=3x-1 and g(x)=5x+3

f(2)=3(2)-1
f(2)=6-1
=5
g(3)=5x+3
=5(3)+32
=15+3
=18


f(2)+f(3)=5+18
=23.
Answer Link
yuni123412341234 yuni123412341234
  • 31-03-2020

Answer:8x

Step-by-step explanation:

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