1) Which graph represents the general equation for an exponential function? a) b) c) 2) Describe the function if the value of b is greater than 1 (b>1). a) growth exponential function b) Decay exponential function 3) Which is the equation for the exponential function with an initial value of 4 and common ration of 5? a) y = 5(4)x b) y = 4(5)x c) y = 5(1+4)x 4) What is the horizontal asymptote for the exponential function shown? a) y = -3 b) y = -4 c) x = -3 5) What is the y-intercept for the exponential function shown? a) (1.5, 0) b) (-3, 0) c) (0, -3) 6) Which exponential equation shows a reflection across the x-axis? a) y = (4)x b) y = (4)-x c) y = -(4)x 7) Which exponential equation shows a horizontal shift? a) y = (4)x - 3 b) y = (4)x-3 c) y = 3(4)x 8) Which exponential equation shows a vertical shrink? a) y = 0.5(5)x b) y = 2(5)x c) y = 3.5(5)x 9) Which is the parent function in the exponential equation: f(x) = 2(3)x-4 - 5 a) f(x) = 2(3)x-4 b) f(x) = (3)x-4 c) f(x) = (3)x 10) 53-2x = 5-x a) x=3 b) x = -3 c) x = 1 11) 8x-1 = 2x+2 a) x = 2/5 b) x = 5/2 c) x = -2 12) (1/2)x = 2x+3 a) x = 2/3 b) x = 3/2 c) x = -3/2

Exponential Functions-Review

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