A diver jumps from a diving board into a pool. The height of the diver is modeled by the function f(x) = -x2 + 2x + 3, where f(x) is the height of the diver in meters, and x represents the
time in seconds since the diver jumped. After how many seconds does the diver hit the water?

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account