Which of the following graphs represents a function? Graph a or b

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x