8. Which statement describing a function of x is true?
A. The graph of y = 3x + 9 is linear and has a y-intercept of 9.
B. The graph of y = 3x is nonlinear and passes through the origin.
C. The graph of y = 3x2 is linear and passes through the point (0, 0).
D. The graph of y = 32x + 9 is nonlinear and passes through the point (0,9).

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

You make a necklace using blue, purple, and green beads in a ration of 1: 1: 2. you use the total of 168 beads. how many green beads in the necklace?