Approximate the area under the function f(x) = 5x² + 2 by finding the area enclosed by the provided rectangles.
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A) 7.75
Mathematics
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Solve and check the equation. Begin your work by rewriting the equation without fractions.
- 
= 
A. {7}
B. {-4}
C. {4}
D. 
Mathematics
Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of 
How fast is the radius of the wetted area expanding when the radius is 
(Round your answer to four decimal places.)
A. 0.0279 mm/s B. 71.6283 mm/s C. 0.0140 mm/s D. 0.0877 mm/s
Mathematics
Write the expression as one logarithm.log2 19 - log2 20
A. log2 
B. log2 -1
C. log2 
D. log4 
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics