Question

Find ​f(−3​), ​f(0​) and ​f(1​) for the following function.
​f(x)=2x

Answer 1

-6, 0, 2

Explanation:

f(x)=2x

note: putting anything in the f(x) parentheses replaces x in the function with that value

so,

f(-3) = 2(-3) = -6

f(0) = 2*0 = 0

f(2) = 2(2) = 4