4
lesson pretestMultiple Choice

Pretest

Question 4 • Algebra II

Which graph represents an exponential function?

Answer
A
Image with description On a coordinate plane, the graph is made up of two different curves that do not meet. The curve in the first quadrant passes through (1 comma 1), do not intercept the y axis and decrease sharply between for values of x less than 1. The curve goes towards the x axis for x greater than 1. The other part of the curve is the mirror image across the y axis of the curve in the first quadrant.
B
Image with description On a coordinate plane, the curve passes through (negative 2 comma 8), (negative 1 comma 1), the origin, (1 comma negative 1), and (2 comma negative 8). The curve decreases rapidly in the second and the fourth quadrant and changes direction at the origin.
C
Image with description On a coordinate plane, the curve originate on y-axis and passes through (1 comma 1), (4 comma 2),and (8 comma 3) in the first quadrant.
D
Image with description On a coordinate plane, the curve passes through (0 comma 1) and decrease rapidly in the second quadrant as the value of x increases. It goes towards the x axis as increases in the first quadrant.
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