Find the domain of the function.f(x) = log5(81 - x2)
A. (-81, 81)
B. (-9, 9)
C. [-9, 9]
D. (-?, -9) ? (9, ?)
Answer: B
Mathematics
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Use problem solving strategies to solve the problem.I'm thinking of a number between 4 and 10. If I square my number and find the difference of the digits, I will end up with the cube root of my number. What is my number?
A. 7 B. 13 C. 8 D. 9
Mathematics
Construct a truth table for the statement.(r ? p) ? (~p ? t)
A. 
| T | T | T | T |
T F T F
T F F F
F T T F
F T F F
F F T F
F F F F
B.
| T | T | T | F |
T F T T
T F F T
F T T T
F T F F
F F T T
F F F T
Mathematics
Find the measure of the indicated angle in the figure.
A. 146° B. 56° C. 101° D. 136°
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.y = 8 - 2.25x y = - 
x - 8
A. Parallel B. Perpendicular C. Neither
Mathematics