Question

Find each function value.

1). f(1)if f(x) = x+ 3

2). f (6) if f(x) =2x

3). f(4) if f(x) =5x-4

need help with all 3 questions step by step

Answer 1

1) When f(x)=x+3,

f(1)=1+3=4

------

2) When f(x)=2x,

f(6)=2(6)=12

-------

3) When f(x)=5x-4,

f(4)=5(4)-4=20-4=16