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Branci5125
21.12.2019 •
Mathematics
For number 7 i need an explanation with steps for why is true or false
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Ответ:
Part 1) The statement is false
Part 2) The statement is false
Part 3) The statement is true
Step-by-step explanation:
Let
h(t)-----> the height of an object launched to the air
t ----> the time in seconds after the object is launched
we have
Verify each statement
case 1) The factored form of the equation is h(t)=-16(t-4.5)
The statement is false
Because
The factored form is equal to
case 2) The object will hit the ground at t=72 seconds
The statement is false
Because
we know that
The object will hit the ground when h(t)=0
substitute in the equation and solve for t
so
case 3) The t-value for the maximum of the function is 2.25
The statement is true
Because
Convert the quadratic equation in vertex form
The vertex is a maximum
The vertex is the point (2.25,81)
Ответ:
Step-by-step explanation b