Math 2413 EMCF 08 EMCF 08 1. Let f(x) be a polynomial function such that f(−4) = −2,f ′ (−4) = 0 and f ′′ (−4) = −1. Classify the point (−4,−2). a) inflection point b) local maximum c) local minimum d) intercept e) none of the 2. Let f(x) be a polynomial function such that f(2) = −4,f ′ (2) = 0 and f ′′ (2) = 5. Classify the point (2,−4). a) local minimum b) intercept c) local maximum d) inflection point e) none of the these 3. Suppose f(x) is an invertible differentiable function and f(2) = −4, f(−4) = 5,f ′ (2) = −5,f ′ (5) = 1. Find f 1 4 . a) 5 b) −1/5 c) −5 d) 1/5 e) 1 4. Suppose f(x) is an invertible differentiable function and f(−5) = −3,f(−3) = −1,f ′ (−5) = −4,f ′ (−1) = −2 . Find f 1 3 . a) 4 b) −4 c) 1/4 d) −1/4 e) −1/2 Math 2413 EMCF 08 5. Suppose f(x) is an invertible differentiable function and the graph of f passes through the points (6,−2) and (−2,7). The slope of the tangent line to the graph of f at x = −2 is 3/4 . Find f 1 7 . a) 3/4 b) 1/2 c) 4/3 d) −4/3 e) 1/6 6. Suppose f(x) is an invertible differentiable function and the graph of f passes through the points (3,6) and (6,2) . The slope of the tangent line to the graph of f at x = 6 is 3/2 . Find f 1 2 . a) −2/3 b) 2/3 c) 3/2 d) −1/6 e) 1/3 7. Find the slope of the tangent line to the graph of f x e2 x 4 x at the point where x = 0. 2 a) 1/4 b) −1/4 c) 4 d) −4 e) 0 8. Find the slope of the tangent line to f x 2esin( 3 x ) at the point where x = 0. a) −1/6 b) 6 c) 0 d) −6 e) 1/6 Math 2413 EMCF 08 x4 y3 using properties of logarithms. 9. Expand: ln 7 2w a) 4ln(x)−3ln(y)−7ln(w) b) 3ln(2)+4ln(x)−3ln(y)−7ln(w) c) −ln(2)+4ln(x)+3ln(y)−7ln(w) d) −ln(2)+4ln(x)+3ln(y)+7ln(w) e) −ln(2)−4ln(x)+3ln(y)+7ln(w) 2 x3 y 6 using properties of logarithms. 10. Expand: ln 5 5w a) ln(2)+3ln(x)+ln(5)−6ln(y)−5ln(w) b) ln(2)+3ln(x)−ln(5)+6ln(y)−5ln(w) c) ln(2)+3ln(x)−ln(5)+6ln(y)+5ln(w) d) 3ln(x)−6ln(y)−5ln(w) e) ln(2)−3ln(x)−ln(5)+6ln(y)+5ln(w) 11. The graph of (the derivative of ) is shown below. At what value of does the graph of change from increasing to decreasing? a) 0 b) 1/2 c) – 1 d) 2 Math 2413 EMCF 08 12. The graph of f ’(the derivative of f ) is shown below. At what value of does the graph of change from decreasing to increasing? a) -2 b) 0 c) 4 d) 2
© Copyright 2026 Paperzz