The graph of a polar equation is given. Select the polar equation for the graph. 

A. r = 4 sin ?
B. r = 2 + sin ?
C. r = 2 + cos ?
D. r = 4 cos ?


Answer: B

Mathematics

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Eliminate the parameter of the pair of parametric equations.x = t - 3, y = t2 + 5

A. y = x2 - 14 B. y = x2 + 6x + 14 C. y = x2 - 6x - 14 D. y = x2 + 14

Mathematics

What is the abbreviation for the unit millivolts.

What will be an ideal response?

Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log19

A.  log195 - 2 log19y - 2 log19x
B. 6 log195 - 2 log19y - log196
C. log195 - log19y - log19x
D.  log195 - 2 log19y - log19x

Mathematics

Sketch the graph and show all local extrema and inflection points.f(x) = 

A. Relative max:  
No inflection points


B. No relative extrema
Inflection point: (0, 0)


C. Relative minimum:  
No inflection points


D. No relative extrema
Inflection point: (0, 0)


Mathematics