5.1 TEST-Unit 7 (Exponential Functions & Rules)

An exponential function is graphed on the grid. Which function is best represented by the graph?

• The coordinates of the x-intercept are (0.25, 0).

• The coordinates of the y-intercept are (0, 8).

• The equation of the asymptote is x = 0.

• The graph includes the point (2, 1).

The table shows the value in dollars of a motorcycle at the end of x years. Which exponential function models this situation?

Find the perimeter of the triangle below.

Find the area of the rectangle.

Mathematical Equivalence

ON

The amount of medication in a patient’s bloodstream decreases exponentially from the time the medication is administered. A patient is administered a 300 mg dose of medication that decreases by 25% in the bloodstream each hour. Which function models this situation?