Step-by-step explanation: Okay to find the solution you multiple 36 by 2 and 16 by 2. You get 72 and 32. You add these two numbers together and get 104 tacks. You then do 104/4, (104 divided by 4) and you get 21 posters. I hope this helped! :P

4 0

3 years ago

Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Whi

Dafna1 [17]

To get the x-intercepts of the function, f(x) = 4x2 – 24x + 20

It has to be equated to zero and the values of x are the x-intercepts. So,
4x2 – 24x + 20 = 0
The resulting equation is a quadratic equation which can be solved by different methods. The solution is
x = 5, 1
The average therefore is:
(1+5/)2 = 3

6 0

3 years ago

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i dont know how to solve this questions without a graphing on a calculator but i can't use calculator for this question pls help

hoa [83]

Answer:

D

Step-by-step explanation:

When the denominator is equal to 0, the function doesn't exist. So factor the bottom, luckily its already partially factored.

(x^2 + 8x + 12) = (x+2)(x+6)

So now the denominator is (x+2)(x+6)(x-3)

The function doesn't exist when x = -2, -6, 3

Now we know there are 3 total discontinuities.

A and B can be eliminated

Since there is an (x+2) on the top and the bottom, they don't affect the shape of the function, but only causes a removable discontinuity when x = -2.

However, (x+6) and (x-3) are only on the bottom, so they DO change the shape, so they are non-removable

The answer therefore is 1 removable and 2 non-removable; D

7 0

3 years ago

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