Choose the inequality that best matches the shaded graph.
A. y ? 2x + 2
B. y ? 2x + 2
C. y ? x - 1
D. y ? -x + 1
Answer: A
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Find the length of the curve.The curve r = 9 sin3 
, 0 ? ? ? 
A. 
(5? - 9
)
B. 27(3
- ?)
C. 
(2? - 3
)
D. 
(5? - 8)
Find the domain and range of the relation. Also determine whether the relation is a function.
A. domain: (-?, ?); range: {5}; function B. domain: (-?, ?); range: {5}; not a function C. domain: {5}; range: (-?, ?); function D. domain: {5}; range: (-?, ?); not a function
Provide an appropriate response.Describe a situation in which it would be more convenient to use the point-slope form of the equation of a line than the slope-intercept form.
What will be an ideal response?
Solve the problem.The radius r of a circle of known area A is given by r = 
, where 
Find the radius and circumference of a circle with an area of 48.71 sq ft. (Round results to two decimal places.)
A. r = 15.52 ft, C = 97.52 ft B. r = 3.94 ft, C = 8.86 ft C. r = 3.94 ft, C = 24.76 sq ft D. r = 3.94 ft, C = 24.76 ft