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Arturiano [62]
2 years ago
5

N 4. Select the correct answer. Function fis an increasing exponential function that is negative on the interval (-C, 2) and pos

itive on the interval (2,). Which could graph of function f? O A. Х -2 -2 OB. All rights reserved
Mathematics
1 answer:
icang [17]2 years ago
7 0

according to the graph

answer: D

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Frank made $75 for 5 hours of work,
snow_tiger [21]

Answer:

Frank will make $135, for 9 hours of work.

Step-by-step explanation:

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3 years ago
The CHS Baseball team was on the field and the batter popped the ball up. The equation b(x)=80t-16t^2+3.5 represents the height
Aleksandr [31]

Answer:

<em>t = 5 seconds</em>

Step-by-step explanation:

We must solve the equation of movement of the ball as a function of time in seconds.

We must find how many seconds it takes until the ball touches the ground. When the ball touches the ground, the height b (t) = 0

Then we equate the equation to zero and solve for t.

80t-16t ^ 2 + 3.5 = 0

Use the quadratic formula.

Where

a = -16\\\\b = 80\\\\c = 3.5

t = \frac{-b \±\sqrt{b^2-4ac}}{2a}\\\\\\t_1 = \frac{-(80)-\sqrt{(80)^2-4(-16)(3.5)}}{2(-16)}\\\\t_1= 5.04\ s\\-------------------------\\t_2 =\frac{-(80)+\sqrt{(80)^2-4(-16)(3.5)}}{2(-16)}\\\\t_2=-0.0434\ s

We take the positive solution

<em>t = 5 seconds</em>

7 0
3 years ago
Plz help me with this
lys-0071 [83]
What’s the question exactly? It’s not clear
5 0
3 years ago
Zack looks at the clock and sees the handle have made a 150 degrees angleHe realizes he has 2 hours before basketball practice s
wolverine [178]

AnswerMove

150

150

to the left of

a

a

.

150

a

,

2

h

o

u

r

s

Step-by-step explanation:

4 0
3 years ago
Helllpppppppppppppppppppppppp
Ivahew [28]

Answer:

C

Step-by-step explanation:

it's C

sorry if I am wrong

6 0
3 years ago
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