Question: 4. If f(x) = ex-x+, find f' (1): a. e C. O b. 1 d. 2 MCV4U1 - Unit 5 Test Page 1 of 6

4. If f(x) = ex-x+, find f' (1): a. e C. O b. 1 d. 2 MCV4U1 - Unit 5 Test Page 1 of 6 5. The derivative of y = 8sin (2x) is: a. y'= 16 cos(2x) C. y' = 16 sin(2x) cos(2x) b. y'= 32 cos(2x) sin(2x) d. y' = 32 cos(2x) 6. If f(x) = cos2 x - sin x, find . . a. 4 C. 0 b. - 4 d. - 2

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