Graph the piecewise-defined function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the change of base formula and the properties of logarithms to rewrite the expression as a single logarithm in the indicated base.loge2 x7 + loge3 x15 + loge4 x16, base e
A. ln 
B. 16 ln x
C. 25 ln x
D. ln 
Mathematics
Multiply.11x(-11x - 4)
A. -11x2 - 44x B. -165x2 C. -121x2 - 44x D. -121x2 - 4x
Mathematics
Use the prime factorization method to find the LCM of the variable expressions.9a, 27ab, 33b
A. 891ab B. 297a2b C. 891a2b D. 297ab
Mathematics
Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 94, 50, 79, 50, 72. Find the mean, median, and mode.
A.
| mean: 69 | median: 72 | mode: 50 |
B.
| mean: 69 | median: 72 | mode: 94 |
C.
| mean: 86.3 | median: 75.5 | mode: 50 |
D.
| mean: 73.8 | median: 79 | mode: 94 |
Mathematics