Use the calculator graph to find the solution set of the given equation or inequality.
> x - 1 
A. [-1, 3)
B. (-?, 3)
C. (3, ?)
D. [0, 2)
Answer: A
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If an average-sized man jumps from an airplane with an open parachute, his downward velocity seconds into the fall is
feet per second.
?
A. Find the average rate of change in velocity from to
.B. Find the average rate of change from
to
.C. What do your answers from parts A and B tell you about how velocity increases with time?D. What is the limiting value for velocity?
What will be an ideal response?
The boat swim y miles downstream in 5 hours. The speed of the boat in still water is 24 mph. Write the a linear equation that represent how distance depends from the speed of stream x.
A. y = 5x + 120 B. y = 5x + 24 C. y = 120x + 5 D. y = 24x + 120
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 2
B.
C. 27
D.
Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.1, 4, 7, 10, 13, . . .
A. Arithmetic; a = 1, d = 3 B. Not arithmetic