You need to do the ones in the parentheses first
Answer:
5.3 s
Step-by-step explanation:
a) since the height is defined by a function, we can find the turning point of the quadratic , which is where the ball will have the highest point. The turning point is where the gradient is equal to zero so we differentiate first

Answer:
42
Step-by-step explanation:
i said so
Answer:
ill try! <3
Step-by-step explanation:
Answer:
X=9
Step-by-step explanation:
x=-4+13=9