Find (f+g)(x) and (f - g)(x) for f(x) = 6x² + 5 and g(x) = 3 – 9x. O (f+g)(x) = 6x²-9x +8
(f-g)(x) = 6x²+9x +2

O (f+g)(x) = 6x² + 9x + 2
(f-g)(x) = 6x²-9x +8

O (f + g)(x) = 6x4 - 4x + 3
(f-g)(x) = 6x² + 14x - 3

O (f+g)(x) = 6x² + 9x - 8
(f-g)(x) = 6x² - 9x + 2

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.