Geometric Sequences — Unit test Answers
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An engineer is using a polynomial function to model the height of a roller coaster over time x, as shown. The engineer wants to modify the roller coaster design by transforming the function. Which represents , the modified design of the roller coaster?
A
On a coordinate plane, a curve increases from quadrant 3 and crosses the y-axis at (0, 10). It then decreases and goes through (20, 10). It continues to decrease and then starts to increase and goes through (30, 10).
B
On a coordinate plane, a curve increases from quadrant 3 and crosses the y-axis at (0, negative 10). It then decreases and goes through (20, negative 10). It continues to decrease and then starts to increase and goes through (30, negative 10).
C
On a coordinate plane, a curve increases from quadrant 3 and crosses the y-axis at (0, 20). It then decreases and then increases again.
D
On a coordinate plane, a curve increases from quadrant 3 and crosses the y-axis at (0, 10). It then decreases and goes through (20, negative 10). It continues to decrease and then starts to increase and goes through (30, negative 10).
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How is the graph of the parent function, transformed to produce the graph of ?
A
It is translated horizontally by 2 units and reflected over the x-axis.B
It is translated horizontally by 2 units and reflected over the y-axis.C
It is horizontally compressed by a factor of 2 and reflected over the x-axis.D
It is horizontally compressed by a factor of 2 and reflected over the y-axis.23
Which graph is an example of a cubic function?
A
On a coordinate plane, a parabola is shown.
B
On a coordinate plane, a curve approaches x = negative 2 in quadrant 3, increases to a put of inflection at (0, 1), and then increases again and approaches x = 2.
C
On a coordinate plane, a straight line has a positive slope.
D
On a coordinate plane, a function has a line with positive slope that intersects with a line with a negative slope.
24
To which family does the function belong?
A
quadraticB
square rootC
exponentialD
reciprocal25
How is the graph of the parent function transformed to produce the graph of ?
A
It is translated 1 unit right and compressed vertically by a factor of 3.B
It is translated 1 unit left and compressed vertically by a factor of 3.C
It is translated 1 unit right and stretched vertically by a factor of 3.D
It is translated 1 unit left and stretched vertically by a factor of 3.Did you find these answers helpful?
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