Find the exact value of the product.cos 135° cos 45°
A. - 
B. 1
C. 
D. 2
Answer: A
Mathematics
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Graph the function.f(x) = 2x + 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 4600e0.063t. How much did you initially invest in the account?
A. $2300.00 B. $4899.12 C. $4600.00 D. $289.80
Mathematics
Multiply. Simplify if possible.4 ? 1
? 
A. 4
B. 3
C. 4
D. 2
Mathematics
Add and subtract as indicated.18 + 4 - (-19)
A. -5 B. -41 C. 3 D. 41
Mathematics