Graph the function.y = - 
cos 
x
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.If (f(x) = 3 - 2x, find f(f(x)).
Fill in the blank(s) with the appropriate word(s).
Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $4600.00 with an interest rate of 1% earned $230.00 in simple interest. Find the amount of simple interest earned if the principle is $3900.00 and the interest rate is 4%.
A. $195.00 B. $78,000.00 C. $920.00 D. $780.00
Find the indicated composite for the pair of functions.Given f(x) = 
and g(x) = 
, find (f ? g)(x).
A. 
B. 
C. 
D. 
Find each product. Write the result in the form a + bi.7i(4 - 2i)
A. 28i + 14i2 B. 14 + 28i C. 28i - 14i2 D. 28i - 14