Express the function in terms of x.If f(u) = u5 and u = x3 + 8, then express 5u4 ? 3x2 in terms of x alone.
A. (15x5 + 8)4
B. 15(x5 + 8)4
C. x2(15x3 + 8)4
D. 15x2(x3 + 8)4
Answer: D
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r = -13 csc ?
A. -13x = 1 B. y = -13 C. -13y = 1 D. x = -13
Mathematics
Determine how many lines will be in the truth table for the following statement.~(p ? q) ? (q ? ~r)
A. 8 B. 9 C. 4 D. 3
Mathematics
Use a truth table to determine whether the symbolic form of the argument is valid or invalid.p ? qp ? r----? ~ r ? q
A. 
Symbolic argument is invalid.
B. 
Symbolic argument is invalid.
C. 
Symbolic argument is valid.
D. 
Symbolic argument is invalid.
Mathematics
Find the equation for the tangent to the curve at the given point.f(x) = x2 + 5x ; (4, 36)
A. y = -39x - 80
B. y = 
+ 
C. y = 13x - 16
D. y = - 
+ 
Mathematics