Rewrite using the power and product rules. Assume all variables represent positive real numbers.ln x4y5z2
A. 4ln x - 5ln y - 2ln z
B. 4ln x + 5ln y + 2ln z
C. ln 4x + ln 5y + ln 2z
D. ln 
+ ln 
+ ln 
Answer: B
Mathematics
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Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = t3 + 1, y = t3 - 15; -2 ? t ? 2
A. y = - x2; -4 ? x ? 4
B. y = x - 16; -7 ? x ? 9
C. y = x3; -3 ? x ? 1
D. y = - x - 16; -7 ? x ? 9
Mathematics
Factor completely.x4 + x3y - 27x - 27y
A. (x + 3)(x2 - 3x + 9)(x - y) B. (x + 3)(x2 - 3x + 9)(x + y) C. (x - 3)(x2 + 3x + 9)(x + y) D. (x - 27)(x3 + x + y)
Mathematics
Find the slope of the line.
A. 1 B. 4 C. -1 D. -4
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = sin ?Find 4g(?).
A. -2
B. 2
C. 4
D. -4
Mathematics