Find the values of a in the domain of f for which f(a)equals the given number. (If there is no solution, enter NO SOLUTION.)

f(x) = x2 − 4x − 19; f(a) = 13
a = ____ (smaller value)
a = ____ (larger value)

1 answer

Use the following notation to show exponents

x^2 - 4x - 19 = 13
x^2 - 4x - 32 = 0
(x-8)(x+4) = 0

take over.