Answer:
a) C = 3 + 5h
b) Slope = 5
y - intercept = 3
c) $28
Explanation:
For babysitting, Nicole charges a flat fee of $3, plus $5 per hour.
a) Write an equation for the cost, C, after h hours of babysitting.
The equation for the cost C is given as:
C = $3 + $5 × h
C = 3 + 5h
b) What do you think the slope and intercept represent?
The equation of a straight line is represented by
y = mx + c
Where
Slope = m and y-intercept = c
Comparing this with our equation in a
C = 3 + 5h = C = 5h + 3
mx = 5h
c = 3
Therefore,
Slope = 5
y - intercept = 3
c)How much money will she make if she baby-sits 5 hours?
We have our equation above as:
C = 3 + 5h
h = 5 hours
Hence,
C = 3 + 5 × 5
C = 3 + 25
C = $28
She would make $28