The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 5x
B. f(x) = -5-x
C. f(x) = 5-x
D. f(x) = -5x
Answer: B
Mathematics
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Find the center and radius of the sphere.(x + 2)2 + (y + 9)2 + (z + 8)2 = 
A. C(2, 9, 8), a = 
B. C(2, 9, 8), a = 
C. C(-2, -9, -8), a = 
D. C(-2, -9, -8), a = 
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation. 0.4 < 0.2x - 0.5 < 1.3
A. (4.5, 9)
B. [4.5, 9]
C. (-0.5, 4)
D. (4.5, 9)
Mathematics
Solve the problem.Find the amount of money in an account after 7 years if $2900 is deposited at 8% annual interest compounded semiannually.
A. $5021.86 B. $5048.97 C. $4970.09 D. $5067.52
Mathematics
Solve the equation.
- 
= 7
A. 30 B. 210 C. 35 D. 42
Mathematics