Use logarithmic differentiation to find the derivative of y.y = 

A. (2x + 4)
B.
C.
D.


Answer: B

Mathematics

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Solve the problem. Assume that all pizzas are circular in shape and that the measurement given in the table is the diameter of the pizza in inches. Use 3.14 as the approximate value of ?. Use the table below to find the cost per square inch for each size of cheese pizza. Round your answers to the nearest thousandth. Which size is the best buy?Cheese$4.40$8.30$10.90Veggie$5.30$9.20$12.60Pesto$5.80$10.30$13.90

A.

Small ? $0.029
Medium   ? $0.018
Large     ? $0.014
Best buy: large
B.
Small ? $8.742
Medium   ? $13.619
Large     ? $18.437
Best buy: small 
C.
Small ? $0.200
Medium   ? $0.220
Large     ? $0.217
Best buy: small
D.
Small ? $0.114
Medium   ? $0.073
Large     ? $0.054
Best buy: large

Mathematics

Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 8; length of minor axis is 4

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Solve. = 15

A. 224 B. 56 C. -112 D. 112

Mathematics

Find an equation of the line containing the pair of points.(x, 9x + 4) and (x + h, 9(x + h) + 4)

A. y = -9x - 4
B. y = x
C. y = 9x + 4
D. y = x - 4

Mathematics