Answer:
(-9+√17)/8
Step-by-step explanation:
its an example of quadratic
5y = 135....divide both sides by 5
y = 135 / 5
y = 27 <==
Plug n = 14 into the formula
= -5(14) + 90
= -70 + 90 = 20
A. 2
b. 0
c. -2
d. 0
f(x) just means that the number in the parentheses is the x-value and if it asks for f(x) it wants the y-value at that x point