Solve the problem.The following data set gives the average home value, in dollars, for a city at 5-year intervals.
Determine where f is increasing or decreasing.
A. f is increasing for the given x-values.
B. f is increasing until 1980, then decreasing for remainder of x-values.
C. f is decreasing for the given x-values.
D. f is constant for the given x-values.
Answer: C
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Solve the problem.Given that (p ? q) ? ~p is true, what can you conclude about the truth values of p and q?
A. q is true B. p and q can have any truth values C. p is true D. At least one of p and q is true
Solve the problem.A chemical solution contains 2% calcium. How much calcium is in 4 ml of solution?
A. 200 ml B. 0.08 ml C. 20 ml D. 0.8 ml
Find the exact value in radians.cos-1 0
A. 
B. 0
C. ?
D. 
Solve the problem.A geometric progression is a sequence of terms in which each term is r times the preceding term. The sum of the first two terms of such a sequence, where a is the first term, is given by the expression 
. Simplify the expression.
A. a(1 - r) B. a(1 + r2) C. a + r D. a(1 + r)