Solve the problem.Suppose a life insurance policy costs $28 for the first unit of coverage and then $7 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $98
B. $70
C. $42
D. $91
Answer: D
Mathematics
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Graph the piecewise-defined function 
if 
if 
, and
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.
What will be an ideal response?
Mathematics
Simplify the ratio.80 cents to 88 cents
A. 
B. 
C. 
D. 
Mathematics
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 10(cos 45° + i sin 45°), z2 = 5(cos 15° + i sin 15°)
A. 2(cos 30° + i sin 30°)
B. 2(cos 45° + i sin 45°)
C. 
(cos 45° + i sin 45°)
D. 
(cos 30° + i sin 30°)
Mathematics
Answer the question.Which number is not divisible by 6?
A. 576 B. 282 C. 114 D. 278
Mathematics