1) The variable ∆x, which denoted a change in the value of x, is also called the ____ a) secant line b) increment in x c) tangent line d) coordinates 2) If the limit is infinite, then the secant line approaches to form a vertical line and we define the tangent line with equation ________ a)  x=x b) x=x0 c) x=y d) x=y0 3) The _______________ to a graph at a point is the line perpendicular to the tangent line at that point, if the tangent line exists. a) normal line b) tangent line c) secant line d) slope 4) The derivative is the slope of the _________ line to any point of a function a) secant b) tangent c) curved d) graph 5) If functions f and g are such that f(x) = g(x) + k where k is a constant, then a) f '(x) = g '(x) + k b) f '(x) = g '(x) c) None of the above 6) lim [e x -1] / x as x approaches 0 a) is of the form 0 / 0 and cannot be calculated. b) 1 c) 0 7) The derivative of [g(x)] 2 is equal to [g '(x)] 2. a) true b) false c) dont know 8) A function that is continuous at a point need not be differentiable at that point a) True b) False 9) Let f(x) be a function and a be in its domain. If f(x) is differentiable at a, then f is continuous at a. a) True b) False 10) A function f(x) is said to be__________ at a if f'(a) exists a) differentiable b) difference c) differentiated d) derivatives

Math 5_Derivatives and Differentiation by Gem Oyando

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