Write the expression as one logarithm.log7 10 + log7 7
A. log14 70
B. log7 17
C. log14 17
D. log7 70
Answer: D
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Divide in the indicated base.
A. 3136 B. 4136 C. 4236 D. 4106
For the given polar equation, write an equivalent rectangular equation. 7r cos ? + 8r sin ? = 1
A. 7x + 8y = x2 + y2
B. 7y + 8x = 1
C. 
+ 
= 1
D. 7x + 8y = 1
Perform the indicated operation and simplify.
- 
A. 5y
B. 0
C. 
D. 
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: all real numbers intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none B. function domain: {x|x ? -2} range: {y|y ? 0} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none C. function domain: {x|x ? 0} range: {y|y ? -2} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: y-axis D. not a function