Determine the function value.Suppose f(x) = logax and f(7) = 2. Find f(49).
A. 8
B. 2
C. -4
D. 4
Answer: D
Mathematics
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Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 7 days if it starts out at 16 grams?
A. 8 g
B. 4 g
C. 
g
D. 
g
Mathematics
Rewrite the fraction as a decimal number.
A. 0.813 B. 0.8125 C. 0.8225 D. 0.7125
Mathematics
Provide an appropriate response.Use the formula 
+ C to find 
What will be an ideal response?
Mathematics
Solve the system of equations by elimination.6x + 3y = 512x - 6y = 38
A. (3, -10) B. (10, -3) C. (-3, 10) D. (-10, 3)
Mathematics