Find the indicated function value.f(x) = 2x + 1, g(x) = -3x + 3Find (f + g)(-3).
A. 7
B. -2
C. -17
D. 4
Answer: A
Mathematics
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Solve the problem.The velocity field F of a fluid has a constant magnitude k and always points towards the origin. Following the smooth curve y = f(x) from (a, f(a)) to (b, f(b)), show that the flow along the curve is 
ds = k[(a2 + (f(a))2)1/2 - (b2 + (f(b))2)1/2]
What will be an ideal response?
Mathematics
Use radical notation to write the expression. Simplify if possible.10-2/3
A. 
B. - 
C. 
D. - 
Mathematics
Solve the problem.If 
is a convergent series of nonnegative terms, what can be said about 
?
A. Always converges B. May converge or diverge C. Always diverges
Mathematics
Use the given substitution to solve the equation.2x-2 + 5x-1 - 3 = 0, u = x-1
A. 2, 3
B. - 
, -2
C. - 
, 2
D. 2, -3
Mathematics