Question

Given the function f(x)=2x-1
Evaluate:
a) 2f(x)
b) f(2x)​

Answer 1

a) 2f(x) = 4x - 2

b) f(2x) = 4x - 1

Step-by-step explanation:

Given function:

• f(x) = 2x - 1

a) 2f(x)

2f(x) = 2(2x - 1)

= 4x - 2

b) f(2x)

f(2x) = 2(2x) - 1

= 4x - 1