You add the exponent. You never multiply it.
Hope this helps!
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Answer:
At the time of launch height of the object was 60 meters.
Step-by-step explanation:
An object was launched from a platform and its height was modeled by the function,
h(x) = -5x² + 20x + 60
Where x = time or duration after the launch
At the time of launch, x = 0
So, by putting x = 0 in this equation,
h(0) = -5×(0) + 20×(0) + 60
h(0) = 60
Therefore, at the time of launch height of the object was 60 meters.
X-intercepts: (2.1, 0) and (-8.1, 0)
y-intercept: (0, -17)
Answer:
Step-by-step explanation:
By applying geometric mean theorem in the given right angle,
By substituting values in the given ratio,
Exact value of y is 
.
