If f(x) = 2x2 + 3 and g(x) = x2 – 7, find (f – g)(x).
a. 3x2 – 4
b. x2 – 4
c. x2 + 10
d. 3x2 – 10
! give me the answer

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct