Use the trend line for data in the scatter plot to make a prediction. about how many pounds were lost per month with 4 hours of weekly aerobic activity?

a) 3 pounds
b) 4.5 pounds
c) 6 pounds
d) 7.5 pounds

PLEASEE HELP

Given:

Scatter plot of weight loss plan.

To find:

how many pounds were lost per month with 4 hours of weekly.

Solution:

Take any two points on the trend line.

Let the points are (3, 4) and (5, 7).

Slope of the line:

m = 1.5

Using point-slope formula:

Add 4 on both sides.

Approximate equation of a line is y = 1.5x - 0.5

Substitute x = 4.

y = 1.5(4) - 0.5

y = 6 - 0.5

y = 5.5

Which is nearly equal to 6.

Also see in the scatter plot, y-value for the corresponding value of 4 in x-axis is 6.

Hence 6 pounds lost per month with 4 hours of weekly aerobic activity.

cut 138 centimeters off

step-by-step explanation:

250-112 = 138

step-by-step explanation:

y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)