Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 
A. 0.12
B. 0.26
C. 1.14
D. 1.00
Answer: B
Mathematics
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Solve the problem.How long will it take for prices in the economy to double at a 14% annual inflation rate? Round the answer to the nearest hundredth.
A. 23.45 yr B. 5.29 yr C. 8.38 yr D. 4.96 yr
Mathematics
For the given graphical representation of vector v, estimate a1 and a2 so that 
and calculate 
.
A. a1 = -7, a2 = -3; 
= 7.6
B. a1 = 3, a2 = 7; 
= 7.6
C. a1 = 3, a2 = 7; 
= 3.2
D. a1 = 3, a2 = 7; 
= 58
Mathematics
Graph the equation.f(x) = -2(x - 6)2 + 4
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
A. 3x2 + 2 + 
B. 3x + 2 + 
C. 3x2 + 2 + 
D. 3x + 2 + 
Mathematics