Answer:
The inverse is (x^2-5)/2
Step-by-step explanation:
y =sqrt(2x+5)
Exchange x and y
x = sqrt(2y+5)
Solve for y
Square each side
x^2 = (sqrt(2y+5))^2
x^2 = 2y+5
Subtract 5 from each side
x^2 -5 = 2y-5+5
x^2 -5 = 2y
Divide each side by 2
(x^2-5)/2 = 2y/2
(x^2-5)/2 = y
The inverse is (x^2-5)/2
8 divided by 42 = 5.25 which means you spent $5.25 on each ticket
Answer:
5
Step-by-step explanation:
it is 5 because you do 1+4=5
128 times 2 is 256 divided by 2 is 128 scoops of ice cream
Answer: I say ethier B or D i'm not sure caus i can't figure witch but i think this
Step-by-step explanation:
