Suppose the function ℎ() represents the height of a ball, in meters, t seconds after being thrown. Which expression represents the change in the height between 1 and 3 seconds? Group of answer choices

ℎ(3)−ℎ(1)

ℎ(3)

ℎ(1)

12(ℎ(1)−ℎ(3))

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by