Exam2

# Exam2 - • 1 • Differentiate#4(5pts • y = 2.7x^(2.7...

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Unformatted text preview: • 1 ) • Differentiate #4. (5pts) • y' = 2.7x^(2.7) • y' = 2.7x^(3.7) • y' = 3.7x^(2.7) • y' = 3.7x^(3.7) Answer : Corre ct Points: 5 • 2 ) • Differentiate #16. (5pts) • f'(u) = 4u^3 - 3u^2 + 3 • f'(u) = 2.8u^3 - 3.63u^2 + 3 • f'(u) = .4u^3 - 3u^2 + 3 • f'(u) = .28u^3 - 3.63u^2 + 3 Answer : Corre ct Points: 5 • 3 ) • Differentiate #24 (5pts) • y' = 4x^4 - 12x^3 + 14x^2 • y' = 5x^4 - 18x^3 + 14x^2 • y' = 2x(3x^2 - 6) • y' = 2x^2(3x^3 - 1x - 6) Answer Corre : ct Points: 5 • 4 ) • Differentiate #18. (5pts) • y' = -8.4x^-2.2 - 10.5x^1.1 • y' = -8.4x^.02 - 10.5x^-3.1 • y' = 8.4x^.02 + 10.5x^-3.1 • y' = 8.4x^-2.2 + 10.5x^1.1 Answer : Corre ct Points: 5 • 5 ) • Find the equation of the line that is tangent to the graph of the function #26. (5pts) • y = -9x + 4 • y = -7x + 2 • y = -7x + 12 • y = -9x + 14 Answer : Corre ct Points: 5 • 6 ) • Differentiate #8. (5pts) • y' = 2/(5x+4)^2 • y' = 2/5 • y' = 23/(5x+4)^2 • y' = 2x/(5x+4)^2 Answer : Corre ct...
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Exam2 - • 1 • Differentiate#4(5pts • y = 2.7x^(2.7...

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