Use the sum/difference identities to simplify the expression. Do not use a calculator.cos 5° cos 40° - sin 5° sin 40°
A. 
B. 
C. - 
D. 1
Answer: A
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Use properties of logarithms to expand the logarithmic expression as much as possible.log3 
A. log3 8 + log3 5 B. log3 8 - log3 5 C. log3 5 - log3 8 D. log3 2 - log3 5
The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = 
A. g(x) = 
B. g(x) = 
C. g(x) = 
+ 5
D. g(x) = 5
Solve the problem.Momma's Ice Cream Shop sells three types of ice cream (soft-serve, chunky, and nonfat) at its three locations. The table below shows the number of gallons of each type sold per day at each location. 
The income per gallon for soft-serve, chunky, and nonfat ice cream is $4, $6, and $8, respectively. Create two matrices to represent these data, and use matrix multiplication to find a matrix that gives the daily income at each location.
A. 
B. 
C. 
D. 
Perform the indicated operation. Simplify your answers. 
+ 
A. 
B. 
C. 
D. 