1/5 Marks Homework Progress
a) Complete the table of values for y = x2 – 2x - 3
х
-2 -1 0 1 2 3
y 50 -3 -305
色
4.
А в
-4
С
b) i) Which of the three curves drawn
matches y = x2 - 2x - 3?
-5 -4 -3
-2
ii) Estimate the value of y
when x = 2.5
iii) Find the values of x
when y = 1
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Drawing Quadratic Graphs

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x