Question

Given the function f(x) = (2x + 3), then the value of f(2x) - 2 f(x) + 3 will be:
a) 3
b)2
c) 1
d) 0.
PLEASE ANS WITH STEPS​

Answer 1

Answer:

Given:–

The function,

f(x)=2x+3

To find:–

f(2x)-2f(x)+3=?

Answer:–

Since,

f(x)=2x+3

f(2x)=2(2x)+3

f(2x)=4x+3

Now,

→ f(2x)-2f(x)+3

→ 4x+3-2(2x+3)+3

→ 4x+3-4x-6+3= 0

The value of f(2x)-2f(x)+3=0