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pashok25 [27]
2 years ago
7

A person standing close to the edge on top of a 72-foot building throws a ball vertically upward. The quadratic function h(t)=−1

6t2+84t+7 models the ball's height about the ground, h(t) , in feet, t seconds after it was thrown.
Mathematics
1 answer:
aleksklad [387]2 years ago
7 0

The quadratic function h(t) = −16t² + 84t + 72, shows that the person throws the ball from on top of a 72 feet building at a velocity of 84 feet/second.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The quadratic function h(t) = −16t² + 84t + 72, shows that the person throws the ball from on top of a 72 feet building at a velocity of 84 feet/second.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

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Which statement is true regarding the graphed functions? A) f(4)=g(4) B) f(4)=g(-2) C) f(2)=g(-2) D) f(-2)=g(-2)
fomenos

Answer:

Option (D)

Step-by-step explanation:

If the two points (x_1,y_1) and (x_2,y_2) are lying of the line.

Slope of the line represented by the function 'f' = \frac{y_2-y_1}{x_2-x_1}

Two points are lying on the line are (-2, 4) and (0, -2).

Slope of the line passing through these points 'm' = \frac{4+2}{-2-0}

m = -3

Y-intercept of the line 'b' = -2 [From the graph]

Therefore, equation of the function will be,

f(x)  = (-3)x - 2

f(x) = -3x - 2

Similarly, for other function represented by the line in red,

Slope of the line passing through (-6, 0) and (0, 6) = \frac{6-0}{0+6}

m' = 1

Y-intercept of g(x) = 5 [From the graph]

Equation that represents the function g(x) = 1.x + 5

g(x) = x + 5

For g(x) = f(x)

-3x - 2 = x + 6

-3x - x = 2 + 6

-4x = 8

x = -2

Therefore, for x = -2 both the functions will have the value.

f(-2) = g(-2)

Option (D) will be the answer.

6 0
3 years ago
The diameter of a cylindrical water tank is 8ft and its height is 11ft what is the volume of the tank?
Sedbober [7]

Answer:

2211.68123

Step-by-step explanation:

Using the formula to find volume of cylinder

V=πr2h=π·82·11≈2211.68123

3 0
3 years ago
A club sold $555 worth of
anastassius [24]

Answer:

111

Step-by-step explanation:

$555 ÷ $5 = 111

sorry I'm not good at explaining

6 0
3 years ago
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AnnyKZ [126]
The solution would be ... m = <span>√2 - 48 over 16. Have a good day :)</span>
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3 years ago
Solve for x. <br> -3/5x = 15<br> A. -25<br> B. -9<br> C. -6<br> D. 9
CaHeK987 [17]

Answer: If the question is formed as (- 3/5) x = 15

then A is correct

X=-25

Step-by-step explanation:

6 0
3 years ago
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