For the given Cartesian equation, write an equivalent polar equation.2x + 3y = 6
A. 2 sin ? + 3 cos ? = 6r
B. r(2 sin ? + 3 cos ?) = 6
C. r(2 cos ? + 3 sin ?) = 6
D. 2 cos ? + 3 sin ? = 6r
Answer: C
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The speed for certain animals is related to the stride length by a power function. The value of the power in this function is 
. If the stride length is doubled, how is the speed affected? Round your answer to two decimal places if necessary.
?
A. Speed is multiplied by 1.12. B. Speed is multiplied by 2.08. C. Speed is multiplied by 2.18. D. Speed is multiplied by 1.3.
Evaluate the root, if possible.
A. 25 B. -25 C. 312 D. Not real
Round the number to its given place value.A clothing store has a shirt on sale for $23.35. Round this value to the nearest dollar.
A. $23.35 B. $23.0 C. $24 D. $23
Use the relation's graph to determine its domain and range.
- 
= 1 
A. Domain: (-?, ?) Range: (-?, -2] or [2, ?) B. Domain: (-?, -2] and [2, ?) Range: (-?, ?) C. Domain: (-?, ?) Range: (-?, -2] and [2, ?) D. Domain: (-?, -2] or [2, ?) Range: (-?, ?)