Question

F(x) = 3x2– 10x + 4
Find f(-4)

Answer 1

92

Explanation:

f(x) = 3x^2– 10x + 4

Let x = -4

f(-4) = 3(-4)^2– 10(-4) + 4

Exponents first

f(-4) = 3(16)– 10(-4) + 4

Multiply

f(-4) = 48+ 40 + 4

Add

f(-4) =92