3. Determine the differential coefficient of y =-+2x – 3 when x = 7 4. If f(t) = 3 sin(4t + 0.12) – 2 cos(3t – 0.72) determine f'(t) when t = 3 Give the answer correct to 3 significant figures.

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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3. Determine the differential coefficient of y =
+2x-3 when x = 7
4. If f(t) = 3 sin(4t + 0.12) – 2 cos(3t – 0.72) determine f'(t) when t = 3
Give the answer correct to 3 significant figures.
Transcribed Image Text:3. Determine the differential coefficient of y = +2x-3 when x = 7 4. If f(t) = 3 sin(4t + 0.12) – 2 cos(3t – 0.72) determine f'(t) when t = 3 Give the answer correct to 3 significant figures.
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