The graph of an equation indicates that it has a slope of +3. If y increases 3 units, how many units does x change?
a. -9
b. -6
c. 1
d. 6
e. 9
a. -9
Mathematics
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Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.
logb 9y + 
logb (81y2)
A. logb (939/20 y63/40 ) B. logb (729y39/40) C. logb (9113/35 y113/35) D. logb (729y9/10)
Mathematics
Graph the polar equation.r = 6 - cos ?
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the given equation is an identity.
- 
= sin ?t + csc ?t
A. Yes B. No
Mathematics
Convert as indicated.19 square feet = 
square inches
A. 361
B. 228
C. 2736
D. 
Mathematics