Solve the equation.
= 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2000.
A. 386 cases B. 1029 cases C. 515 cases D. 504 cases
Given functions f and g, perform the indicated operations.f(x) = 4x - 3,g(x) = 3x - 7Find fg.
A. 12x2 + 21 B. 7x2 - 37x - 10 C. 12x2 - 16x + 21 D. 12x2 - 37x + 21
Use the distributive property to simplify.7(x + 9)
A. x + 63 B. 63x C. 7x + 9 D. 7x + 63
Solve the problem.Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. How long will they take to paint the fence if they work together?
A. 5
hr
B. 5
hr
C. 11
hr
D. 5
hr