Answer:
D
Step-by-step explanation:
X is increased by a factor of 5, so y should be multiplied by 5 as well. So y = 20*5=100
Answer:
The slope-intercept form of the function is:

Step-by-step explanation:
Given the table
x y
1 8
2 13
3 18
4 23
Let us take two points (1, 8) and (2, 13) to find the slope




We know that the slope-intercept form of the line equation is

where m is the slope and b is the y-intercept.
substituting the values m=5 and the point (1, 8) to determine the y-intercept i.e. 'b'.

8 = 5(1) + b
b = 8-5

Now, substituting the values m=5 and b=3 in the slope-intercept form to


Thus, the slope-intercept form of the function is:

Answer:
$177.59
Step-by-step explanation:
-3x + 3y = 24
x + 2y = 13
(x + 2y) - 2y = 13 - 2y
x = 13 - 2y
-3(13 - 2y) + 3y = 24
-39 + 6y + 3y = 24
9y - 39 = 24
(9y - 39) + 39 = 24 + 39
9y = 63
9y ÷ 9 = 63 <span>÷ 9
y = 7
x + 2y = 13
x + 2(7) = 13
x + 14 = 13
(x + 14) - 14 = 13 - 14
x = -1
When x = -1
y = 7
An easy way to check:
-3x + 3y = 24
-3(-1) + 3(7) = 24
3 + 21 = 24
24 = 24
Since it is the same on both sides, our answers are correct. </span>