Find the exact circumference of the circle.Find the exact circumference.
A. 91? m
B. 45.5? m
C. 182? m
D. 8281? m
Answer: A
Mathematics
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Match the equation with the surface it defines.
+ 
= 
A. Figure 3 B. Figure 4 C. Figure 1 D. Figure 2
Mathematics
Solve the given differential equation. (The form of yp is given.)D2y - y = x2 + 2 (Let yp = Ax2 + Bx + C.)
A. c1ex + c2e-x - x2 + 4 B. c1ex + c2e-x + x2 - 4 C. c1ex + c2xe-x - x2 - 4 D. c1ex + c2e-x - x2 - 4
Mathematics
Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x2 sin x
A. 
B. 
C. 
D. 
Mathematics
Indicate whether the list of terms are like or unlike.a2b, 5ba2
A. like B. unlike
Mathematics