Question

Mountain climber is scaling a cliff that is 500 feet above sea level. The graph shows the elevation of the climber over time.

a. find the slope and y-intercept of the graph. Write your answer in simplest form.

Answer 1

Slope (m): 125

y-intercept (b): 50

Explanation:

slope-intercept form: y = mx + b

m = slope

b = y-intercept

f(x): called “f of x”; can be interpreted as y in y = mx + b

Equation: f(x) = 125x + 50

125 = m, 50 = b