Question

How do I solve this?

Answer 1

f(3) = 23

Explanation:

To evaluate f(3) substitute x = 3 into the expression

f(3) = 2(3)² + 5
`√(3-2)`

= (2 × 9) + (5 ×
`√(1)`)

= 18 + (5 × 1) = 18 + 5 = 23

Answer 2

23

Explanation:

put 3 in place of x and solve.