Find a value of a so that f is continuous at c, or indicate this is impossible.f(x) = 
A. -5
B. 1
C. Impossible
D. -1
Answer: C
Mathematics
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Combine the following, if possible.-28
- 7
A. -21ab
B. -35
C. 21ab
D. -21
Mathematics
Change 4859 to powers of ten form with an exponent of:
a. 3 b. 2 c. 4
Mathematics
Write in logarithmic form.
-2 = 
A. 
= 
B. log2 
= 
C. log12/7 
= -2
D. log-2 
= 
Mathematics
Solve the problem.Suppose that there is no straight path for driving between towns A and B. To drive from Town A to Town B, it is necessary to travel due east for 21 miles, then due north for 18 miles. How far apart, to the nearest tenth of a mile, are the towns?
A. 345.0 mi B. 27.7 mi C. 6.2 mi D. 459.0 mi
Mathematics