Determine the phase shift of the function.y = 4 sin (4?x + 3)
A. 3 units to the right
B. 
units to the left
C. 
units to the right
D. 3 units to the left
Answer: B
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Simplify the expression by using a sum or difference identity.sin (25°) cos (95°) + cos (25°) sin (95°)
A. - 
B. 
C. - 
D. 
Find the APR to the nearest 0.5%. Use the Annual Percentage Rate table if necessary.
Amount financed: $7200Monthly payment: $167.45Number of payments: 48
A. 6.0% B. 6.5% C. 5.5% D. 7.0%
Solve the problem.The formula W = 0.65g2 - 0.09g + 8.8 models the average weight, W, in ounces, for a mouse who is fed g grams per day of a special food. According to the formula, how much will a mouse weigh when it is fed 17 grams of the special food per day? If necessary, round answers to the nearest hundredth.
A. 335.92 oz B. 18.32 oz C. 195.12 oz D. 196.56 oz
Solve the problem.The manager of a pet store has found that if the price of a dog collar is 
then x collars will be sold. An expression for the total revenue from the sale of x collars is R(x) = 90x - 
. Find the number of collars that will produce maximum revenue.
A. 400 B. 360 C. 720 D. 340