The Hiking Club is on a trip to hike up a mountain. The members increased their elevation 290 feet during their hike this morning. Now they are at an elevation of 450 feet. Explain how to find their elevation before the hike. Han says the equation e + 290 = 450 describes the situation. What does the variable e represent? Han says that he can rewrite his equation as e = 450 + -290 to solve for e. Compare Han's strategy to your strategy for finding the beginning elevation.

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

answer

false

explanation

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step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is