Use the multiplication principle to solve the equation.
? x = 70
A. 28
B. 16
C. 175
D. 70
Answer: A
Mathematics
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Solve the problem.f(x) = 
What value of c makes f(x) continuous at x = 0?
A. 5 B. 0 C. -5 D. -3
Mathematics
You can get the change in a linear function from the formula Change in function = Slope × Change in variable.
Answer the following statement true (T) or false (F)
Mathematics
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)4?r2 = A for r
A. r = ± 
B. r = 2?
C. r = ± 
D. r = ± 
Mathematics
Determine if the equation is an identity.
+ 
= sin 5x csc x sec x
A. Identity B. Not an identity
Mathematics