Determine a formula for the exponential function.The graph of an exponential function is given. Which of the following is the correct equation of the function?
A. y = 2.4x
B. y = 1.8x
C. y = 0.45x
D. y = 0.31x
Answer: B
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Determine the constant term that must be added to the expression to make it a perfect square.x2 + 
x
A. 
B. 
C. 
D. 
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
What will be an ideal response?
Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.(-0.6, -2.8) and (2.5, -1.6)
A. 
; rises
B. 
; rises
C. - 
; falls
D. - 
falls
Solve the problem.What amount of money is found in a coin purse containing 16 dimes and 7 quarters?
A. $3.35 B. $0.23 C. $4.70 D. $335.00