The graph of a function of the form y = A cos (Bx - C) + D or y = A sin (Bx + C) + D where B > 0 is given. Determine the equation of the function represented by the graph.Use y = cos x
A. y = 2 cos 
- 2
B. y = 2 cos 
+ 2
C. y = 2 cos 
- 2
D. y = 2 cos 
+ 2
Answer: D
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Fill in the blank with the appropriate measurement relationship.
hr = 1 day
Fill in the blank(s) with the appropriate word(s).
Determine the real zeros of the polynomial and their multiplicities. Then decide whether the graph touches or crosses the x-axis at each zero.f(x) = 2(x - 7)(x - 2)3
A. -7, multiplicity 1, touches x-axis; -2, multiplicity 3 B. 7, multiplicity 1, crosses x-axis; 2, multiplicity 3, crosses x-axis C. -7, multiplicity 1, crosses x-axis; -2, multiplicity 3, crosses x-axis D. 7, multiplicity 1, touches x-axis; 2, multiplicity 3
Solve.The local diner sells extra-large, one-pint sodas. During the lunch rush, an average of 5 sodas are sold each minute. How many gallons of soda are sold per hour?
A. 150 gal per hour B. 37.5 gal per hour C. 18.75 gal per hour D. 75 gal per hour
Solve.A promotional deal for phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $48 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 7 B. 660 C. 1260 D. 2