Solve the equation.4x ? 16 = 256x
A. {4}
B. 
C. {-4}
D. 
Answer: D
Mathematics
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Solve the problem.Lonnie deposits $200 each month into an account paying annual interest of 6.5% compounded monthly. How much will his account have in it at the end of 7 years?
A. $1705 B. $21,203 C. $21,049 D. $21,332
Mathematics
Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.The temperature t on a backyard thermometer at 5 pm on a given day x.
A. No B. Yes; x, t; there is one temperature t on any given day x at 5 pm.
Mathematics
Evaluate.
when x = 9 and y = 6
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.-15 ? -2x - 1 < -7
A. (-7, -3]
B. (3, 7]
C. [3, 7)
D. [-7, -3)
Mathematics