f(x)=40
x=8
so if x=2 it would be 40/8 which is 5
X=3
91 + x^2
91 + 3^2
91 + 9
91 + 9 = 100
Answer:
C = 81.6814089933 in
Step-by-step explanation:

Answer: In mathematics, the method of equating the coefficients is a way of solving a functional equation of two expressions such as polynomials for a number of unknown parameters. It relies on the fact that two expressions are identical precisely when corresponding coefficients are equal for each different type of term.
.