Answer:
39
Step-by-step explanation:
using pythagorean theorem a squared plus b squared equals c squared 15^2+36^2=C^2
the squared root of C = 225+1296=square root1521 = 39
The answer is D
-
Given
f(x) = -
Evaluate f(19) by substituting x = 19 into f(x)
f(19) = -
= -
= - 4
= - = -