Translate into a variable expression. Then simplify. the sum of four times a number n and eighteen added to the product of thirteen and the number

please write out the answer into a variable expression

answer: i guess 5 units?

step-by-step explanation:

not sure but it may be b, as i said i'm not sure.

f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions