18
practice testMultiple Choice

Practice Test

Question 18 • Precalculus

Which is the graph of y is equal to arctan times x ?

Answer
A
Image with description A coordinate plane with a graph. From (0 comma 0), a curve decreases and approaches negative infinity as x approaches negative 1 from the right. From (0 comma 0), it increases and approaches infinity as x approaches 1 from the left.
B
Image with description A coordinate plane with a graph. From (0 comma 0), a curve decreases and approaches infinity as x approaches negative 1 from the right. From (0 comma 0), it increases and approaches negative infinity as x approaches 1 from the left.
C
Image with description A coordinate plane with a graph. From (0 comma negative 1), a curve increases and approaches the x-axis as x approaches negative infinity from the right. From (0 comma 1), a curve decreases and approaches the x-axis as x approaches infinity from the left.
D
Image with description A coordinate plane. The graph starts and rises to (negative 4 pi comma 1.5). It falls through (negative 3 pi comma 1) to (negative 2 pi comma 0.5). It then rises through (negative pi comma 1) to (0 comma 1.5). It then falls through (pi comma 1) to (2 pi comma 0.5). It then rises through (3 pi comma 1) to (4 pi comma 1.5).
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