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Fofino [41]
3 years ago
5

A surf instructor has an initial fee of $12 and charges $8

Mathematics
1 answer:
Nataliya [291]3 years ago
7 0

Given:

A surf instructor has an initial fee of $12 and charges $8  per hour for lessons.

To find:

The y-intercept and its location on the graph.

Solution:

Initial fee = $12

Variable fee = $8 per hour.

Let the total fee be y for x hours. Then,

y=12+8x

Put x=0, to find the y-intercept.

y=12+8(0)

y=12+0

y=12

Therefore, the y-intercept is 12.

Table of values for y=12+8x,

x        y

0       12

-1       4

Plot (0,12) and (-1,4) on a coordinate plane and connect them by a straight line.

Clearly, the y-intercept is located at (0,12).

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