The answer is for that problem is -3
ANSWER:
f(x)⁻¹ = (x+10)/2
WORKING OUT:
f(x) = 2x - 10
y = 2x - 10
*Replace all 'y' values with 'x' and vice versa*
x = 2y - 10
*Make y the subject of the equation*
2y = x+10
y = (x+10)/2
It has no solution
18m+7=18m+7
Which means they are the same equation !!
Answer:
.9-1.5x
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
x = 6, x = 12; The zeros represent the number of monthly memberships where no profit is made