Solve the problem.The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A = 4100e0.068t. When will the account be worth $6166?
A. 8 years after the initial investment
B. 6 years after the initial investment
C. 5 years after the initial investment
D. 7 years after the initial investment
Answer: B
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Solve.Marcus is planting a section of garden with tomatoes and cucumbers. The available area of the section is 150 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let x represent the area (in square feet) planted in tomatoes and y represent the area (in square feet) planted in cucumbers.
A. x + y ? 150, x < 0.25y, x ? 0, y ? 0 B. x + y ? 150, x > 0.25y, x ? 0, y ? 0 C. x + y ? 150, x > 25y, x ? 0, y ? 0 D. x + y = 150, x ? 0.25y, x ? 0, y ? 0
Determine the vertex of the graph of f.f(x) = 4x2 - 16x + 19
A. (3, 2) B. (-2, -3) C. (2, 3) D. (-3, -2)
Write an equation. Then, solve and check.The population of a city is 
It is estimated that this is about 
of the projected population fifty years later. What is the projected population of the city?
A. 4 = 
x; x = 6 million people
B. 4 = 
x; x = 2
million people
C. 4 = x - 
; x = 4
million people
D. x = 
? 4; x = 2
million people
Simplify.
A. 
B. 
C. 
D. 