Function Machines 0.0 / 5 ? MathematicsFunctionsAll LevelsAll boards Created by: TiahaniCreated on: 11-01-21 10:46 What does a cubic graph look like? The line curves at two points making a 1 of 8 What does an exponential graph look like? The line curves upwards across the two upper quadrants. 2 of 8 What does a reciprocal graph look like? Two lines that are the same and exactly opposite from each other, in two different quadrants. 3 of 8 What does f(x) mean in the mathematical notation for functions? F(x) means the function of x. 4 of 8 What does the mathematical notation tell us? eg: f(x)=7x+11 The notation tells us what function to use on the input. 5 of 8 If f(x)=5x+7, calculate the value of f(7). f(x)=5x+7 f(7)=5(7)+7 f(7)=42 6 of 8 If f(x) = 2x²-6x, calculate the value of f(-1). f(x) = 2x²- 6x f(-1) = 2(-1)²-6 (-1) f(-1) = 8 7 of 8 If f(x) = 8x - 7, calcualte the value of x when f(x) is 45. f(x)=8x-7 45=8x-7 52=8x 6.5=x 8 of 8
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