Linear
24 The solutions to p(x) = 0 are x = −7 and x = 7. Which quadratic function could represent p?
F p(x) = x2 − 49
G p(x) = x2 + 49
H p(x) = x2 − 14
J p(x) = x2 + 14
Option F is correct
38 The conversion of degrees Celsius to degrees Fahrenheit can be represented by a linear relationship. The graph shows the linear relationship between y, the temperature in degrees Fahrenheit, and x, the temperature in degrees Celsius from the freezing point of water. Which equation best represents this situation?
F y = 5 9 x
G y = 9 5 x
H y = 5 9 x + 32
J y = 9 5 x + 32
Option J is correct
15 The graph of a linear function is shown on the grid. Which equation is best represented by this graph?
A y = − 7 4 x + 4
B y = − 7 4 x + 7
C y = − 4 7 x + 4
D y = − 4 7 x + 7
Option B is correct
9 An exponential function is graphed on the grid. Which function is best represented by the graph? A p(x) = (0.25)x
B p(x) = 2(0.5)x
C p(x) = (1.25)x
D p(x) = (25)x
Option A is correct