Find the second derivative.y = 5x3 - 8x2 + 3

A. 16x - 30
B. 16x - 20
C. 20x - 16
D. 30x - 16

Answer: D

Mathematics

Find the area of the specified region.Inside one loop of the lemniscate r2 = 5 cos 2?

A.
B.
C. 5
D. 10

View

Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors. log10

A. log₁₀m + log₁₀n - log₁₀k
B. log₁₀m + log₁₀n - 2log₁₀k
C. log₁₀m ? log₁₀n ÷ 2log₁₀k
D. 7log₁₀m + 9log₁₀n - 2log₁₀k

View

Mathematics

Find an equation of the parabola described.Directrix the line y = 3; vertex at (0, 0)

A. x = 3y²
B. y = - x²
C. x = - y²
D. y = -12x²

View

Mathematics

Evaluate the expression. ? ?

A. 216 B. 48 C. 576 D. 168 E. 288

View

Mathematics