Answer:
y= b+ 3a
Step-by-step explanation:
Given data
We are required to rent a bike and a helmet
le the flat fee for bike rental be a
and the flat fee helmet be b
let the number of hours be h
and let the total cost be y
So
y= b+ah
for h = 3
tThen the expression for the total is given as
yeh
82
f(x) = 5x - 3
g(x) = 2x + 9
f(g(x)) = 5 (2x + 9) - 3 ..... replace x with g(x)
f(g(4)) = 5 * (2 * 4 + 9) -3 = 85 - 3 = 82
Answer: 10^-4
Answer: 56
Step-by-step explanation: 7*480= 3360
3360/60= 56