7. The height of a golf ball in meters x seconds after it has been hit is given by -4.9x2 + 42x. When does the ball hit the ground?
2.14 seconds
4.92 seconds
9.3 seconds
8.57 seconds

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

what are you trying to solve here

step-by-step explanation:

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

mark this brainliest and i will be glad to .