Evaluate the integral mentally.
?
?
A. 
B. 
C. 0
D. 
E. 
Answer: E
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Find the value of the x-coordinate of the points at which the functions intersect, and approximate the area of the region described. Round to two decimal places when necessary.f(x) = sinh x, g(x) = tanh x; the region bounded by the graphs of f, g, and ln 5
A. x = 0; 0.64 B. x = 0; 0.22 C. x = 0; 1 D. x = 0; 0.54
Round the number as indicated.537 to the nearest hundred
A. 600 B. 510 C. 500 D. 400
Factor out the negative GCF from the polynomial. If the GCF is 1, factor out -1.-24w4 - 3w2
A. -3(8w4 + w2) B. -3w2(8w2 - -3) C. -3w2(8w2 + 1) D. -3w2(8w2 - 1)
Model the problem with a linear equation.An investment is worth $3104 in 2008. By 2011 it has grown to $3950. Let y be the value of the investment in the year x, where x = 0 represents 2008. Write a linear equation that models the value of the investment in the year x.
A. y = -282x + 4796
B. y = 282x + 3104
C. y = -282x + 3104
D. y = 
x + 3104