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adelina 88 [10]
3 years ago
9

If g(x) 3x + 0.5x², what is the value of g(-8)?

Mathematics
2 answers:
Savatey [412]3 years ago
4 0
Answer:-
Answer is 8

Solution:-
g(x) = 3x + 0.5x^2
g(-8) = 3(-8) + 0.5(-8)^2 = -24 + 0.5(64) = 8

Note:- Hope this helps do let me know if u hv any confusion. Have a grt day!!
lubasha [3.4K]3 years ago
3 0

Answer:

8

Step-by-step explanation:

g(-8) = 3(-8) + 0.5(-8)²

=-24+32

= 8

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A lollipop has a radius of 15m. Determine the diameter, circumference, and area of the lollipop.
Leokris [45]
The answers are:

Diameter: 30m
Circumference: 94.24777960769379
Area: 706.8583470577 m<span>2

I hope this helps you. Good luck with your work!</span>
6 0
3 years ago
Kasey buys a shirt for 12.50 plus 6% sales tax. Sue buys a shirt for 10.00 plus 6%
zaharov [31]

Answer:

Kasey paid: $13.50

Sue paid:$10.60

Togethee they paid: $24.10

Step-by-step explanation:

Convert the sales tax percentage to a decimal by moving the decimal point two places to the left or you can divide it by 100.

This should give you .06

Multiply .06 with the original cost before sales tax.

Add this amount to the original cost to get your answer

5 0
3 years ago
F(x) = x^2. What is g(x)
Alexeev081 [22]

Answer:

g(x) = - x² - 4 ⇒ A

Step-by-step explanation:

Let us revise the reflection and translation of a function

  • If the function f(x) reflected across the x-axis, then its image is g(x) = - f(x)
  • If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x)
  • If the function f(x) translated horizontally to the right by h units, then its image is g(x) = f(x - h)  
  • If the function f(x) translated horizontally to the left by h units, then its image is g(x) = f(x + h)  
  • If the function f(x) translated vertically up by k units, then its image is g(x) = f(x) + k  
  • If the function f(x) translated vertically down by k units, then its image is g(x) = f(x) – k  

f(x) = x² is the blue curve

g(x) is its image is the red curve

∵ g(x) is the image of f(x)

∵ f(x) is opened upward

∵ g(x) is opened downward

→ That means the sign of y-coordinates of all points on the blue

   graph are opposite

∴ f(x) is reflected about the x-axis

∴ Its image is - f(x)

∵ The vertex of f(x) is (0, 0)

∵ The vertex of g(x) = (0, -4)

→ That means the function translated 4 units down

∴ - f(x) is translated 4 units down

∴ Its image is - f(x) - 4

∴ g(x) = - f(x) - 4

∵ f(x) = x²

∴ g(x) = - x² - 4

4 0
4 years ago
I need HELPPP!!!! T^T
Artemon [7]
The answer is 3 square units
8 0
3 years ago
If A = 3r^2h^2, and (rh) increases by 100%, then the new A is how many times greater than the old A? PLEASE HELP ME!!! (Specify
Maslowich

Answer: the answer is 3

Step-by-step explanation:

An increase of 100% in the value of (rh) means the value doubles. When that doubled value is squared, the new area is 4 times the old area.The question asks how many times GREATER the new A is than the old A. 4 times AS LARGE AS is a 300% INCREASE, which is 3 TIMES LARGER THAN.So the grammatically correct answer is 3 

3 0
2 years ago
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