Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -1
B. 
C. -30
D. 
Answer: D
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Use the table of values of f to estimate the limit.Let f(x) = 
, find 
f(x).
A. 
; limit = 0.15
B. 
; limit = 1.5
C. 
; limit = 0.25
D. 
; limit = 0.35
Solve the problem.In 1992, the population of a country was estimated at 5 million. For any subsequent year, the population, P(t) (in millions), can be modeled using the equation 
where t is the number of years since 1992. Determine the year when the population will be 39 million.
What will be an ideal response?
Find a system of inequalities to describe the given region.Points in the first quadrant whose distance from the x-axis is less than 8 units
A. x > 0, y > 0, x < 8, y < 8 B. x > 0, y > 0, y < 8 C. x > 0, y > 0, x < 8 D. x > 0, y > 0, x2 + y2 < 64
Use the method of adding y-coordinates to graph the function.f(x) = x + sin x
A. 
B. 
C. 
D. 