Solve.If a number is subtracted from 7, the principal square root of this difference is equal to the number decreased by 1. Find the number(s).
A. 3
B. -3
C. -2
D. -2, 3
Answer: A
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A car accelerates in a westerly direction from a yield sign to a constant speed on the freeway. It then exits the freeway and parks. The graph of velocity is shown below. Make a graph of distance west of the yield sign. Be sure to label you graph appropriately.
?
?
?
What will be an ideal response?
Sketch the indicated line.Two electric currents I and J (in mA), in part of a circuit in a computer are related by the equation 
. Sketch J as a function of I. These currents can be negative.
A. 
B. 
C. 
D. 
Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x).
A. 
; limit = -4.0
B. 
; limit = -1.20
C. 
; limit = ?
D. 
; limit = -2.10
Solve the problem.A yardstick measures 
by 2 by 36 inches. How many yardsticks will fit in a box 2 inches wide and 36 inches high, if the girth of the box is 24 inches?
A. 60 yardsticks B. 40 yardsticks C. 10 yardsticks D. 48 yardsticks