Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 4 using a right sum with two rectangles of equal width.
A. 38.75
B. 8
C. 20
D. 40
Answer: D
Mathematics
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Describe the graph using both set-builder notation and interval notation.
A. {x?x ? -2}, (-?, -2] B. {x?x ? -2}, [-2, ?) C. {x?x < -2}, (-?, -2) D. {x?x > -2}, (-2, ?)
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Find the exact value of the logarithm using logb bx = x.log 1000
A. 3 B. 4 C. 2 D. -3
Mathematics
Find the missing parts of the triangle. A = 78°a = 36 ydb = 73 ydIf necessary, round angles to the nearest degree and side lengths to the nearest yard.
A. B = 73°, C = 29°, c = 79 yd B. B = 29°, C = 73°, c = 75 yd C. no such triangle D. B = 29°, C = 73°, c = 81 yd
Mathematics