D = adult
c = child
t = total admission cost
t = 8d + 5c
t = 8(2) + 5(3) = $31
4x-7=7x-61
-7=3x-61
54=3x
Answer
X=18
Changing the order may not affect the answer in some situation, however it's not a rule.
Answer:
Step-by-step explanation:
f(x) = 2x^3 - 4x.....find f(-2).....so sub in -2 for x
f(-2) = 2(-2^3) - 4(-2)
f(-2) = 2(-8) + 8
f(-2) = -16 + 8
f(-2) = -8 <==