Evaluate the expression.
A. 4
B. 1
C. 6
D. 0
Answer: C
Mathematics
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A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 3
A. 3.5 ft B. 3.94664 ft C. 2.59378 ft D. 2.14706 ft
Mathematics
Simplify. Combine like terms if possible.-4z + (-10z)
A. -6z B. -14z2 C. -14z D. -6z2
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus (-3, 8), directrix y = 4
A. (x + 3)2 = 8(y - 8) B. (x + 3)2 = 8(y - 6) C. (x - 8)2 = 8(y - 6) D. (y - 8)2 = 8(x + 3)
Mathematics
Sketch the graph of the polynomial function.f(x) = x3 - 2x2 - 5x + 6
A. 
B. 
C. 
D. 
Mathematics