Solve the equation.10x + 10 = 5x + 25
A. {-5}
B. {-3}
C. {5}
D. {3}
Answer: D
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Solve the problem.Find the tangent to y = cot x at x = 
.
A. y = 2x + 1
B. y = -2x + 
C. y = -2x + 
+ 1
D. y = 2x - 
+ 1
Solve the problem. Use 3.14 as an approximation for ? where appropriate.A rectangular box which is 9 in. by 8 in. by 2 in. is to be wrapped in brown paper. How much paper is required?
A. 144 in.2 B. 106 in.2 C. 196 in.2 D. 212 in.2
Solve the problem.In 1998, the population of a given country was 21 million, and the exponential growth rate was 3% per year. Find the exponential growth function.
A. P(t) = 21e0.03t, where P(t) is in millions and t is the number of years after 1998. B. P(t) = 21e0.03, where P(t) is in millions and t is the number of years after 1998. C. P(t) = 21e3t, where P(t) is in millions and t is the number of years after 1998. D. P(t) = 210.03t , where P(t) is in millions and t is the number of years after 1998.
Multiply or divide as indicated.
÷ 
A. 
B. 
C. 
D. 