Question

For the function f(x) = 2x-5 find.
a. f(2)
b. f(0)
c. f(-3)​

Answer 1

a. f(2) :

`f(x) = 2x - 5 \\ f(2) = 2(2) - 5 \\ f(2) = 4 - 5 \\ f(2) = - 1`

b. f(0) :

`f(x) = 2x - 5 \\ f(0) = 2(0) - 5 \\ f(0) = - 5`

c. f(-3) :

`f(x) = 2x - 5 \\ f( - 3) = 2( - 3) - 5 \\ = - 6 - 5 \\ = - 11`