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notka56 [123]
2 years ago
15

6. The California Tiger Salamander is an endangered species, which decreases at the rate of 4.6% per year in a habitat that curr

ently has 60 of them. Write an exponential function and find how many California Tiger Salamanders will be left after 4 years.
7. Factor and solve the following equation 2x2 + x - 21 = 0.

8. Alvin throws the football to a receiver who jumps up to catch the ball. The height of the ball over time can be represented by the quadratic equation -4.9t2 + 7.5t + 1.8 = 2.1 . This equation is based on the acceleration of gravity -4.9 m/s2, the velocity of his pass is 7.5 m/s and releases the football at a height of 1.8 meters, and the height where the receiver catches the ball of 2.1 meters. Put the equation in standard form and then solve by using the quadratic equation.

9. Examine the graph of f(x) and the table that contains values of g(x). Which function has a greater rate of change over the interval [0,2]? Explain your answer.
Mathematics
1 answer:
kicyunya [14]2 years ago
7 0

\rule{2000pt}{1000000pt}

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allsm [11]
The answer is 1,600.
3 0
2 years ago
Read 2 more answers
Graph the line passing through the given point and having the given slope.<br> (1,-1), m= - 3/4
serious [3.7K]

Answer: y=-3x/4 -1/4

Step-by-step explanation:

y=mx+b

-1=-3/4 * 1 +b

-1=-3/4 + b

(-1=-3/4 + b)*4

-4=-3+4b

4b=-1

b=-1/4

y=-3x/4 -1/4

7 0
1 year ago
Rosalie earns extra money by working as a babysitter over the weekend. She charges $10 to drive to the home and an additional $8
Irina18 [472]
Input value= number of hours babysat, output value= how much money you get.
5 0
2 years ago
Pls solve it and show your work :((
lisabon 2012 [21]

Answer:

See below

Step-by-step explanation:

To graph the line we need two points, one point is the y-intercept, the second point to be calculated.

Q7

<u>y = -3x + 6</u>

  • The y-intercept is (0, 6)

<u>Let the domain be x = 5 for the second point, then:</u>

  • y = -3*5 + 6 = -15 + 6 = -9
  • The point is (5, -9)

Connect these points to get the graph

Q8

<u>y = 4/5x - 3</u>

  • The y-intercept is (0, -3)

<u>Let the domain be x = 5 for the second point, then:</u>

  • y = 4/5*5 - 3 = 4 - 3 = 1
  • The point is (5, 1)

Connect these two points to get the graph

5 0
2 years ago
3x+4y=24 ,4x+3y=22 simultaneous equations simultaneous equ
Vinvika [58]

Answer:

x=64

y=54

Step-by-step explanation:

3x+4y=24 4(24-4y\3)+3y=22

x=24-4y/3 96-12y\3+3y=22

x=24-4(54)/3

x=-64 96/3-22=3y/3

y=54

4 0
2 years ago
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