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wlad13 [49]
3 years ago
15

9) WILL MARK BRAINLIEST + 10 POINTS. Please help with question. :)

Mathematics
2 answers:
Masja [62]3 years ago
6 0
Answer is A.
√6 + √2
-----------
    4
Alex_Xolod [135]3 years ago
4 0
The answer is A.
sin(105)=0.96592
Answer A=0.96492

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Let f(x)=x2−2x−4 . What is the average rate of change for the quadratic function from x=−1 to x = 4?
goblinko [34]

Answer:

The average rate of change for f(x) from x=−1 to x = 4 is, 1

Step-by-step explanation:

Average rate A(x) of change for a function f(x) over [a, b] is given by:

A(x) = \frac{f(b)-f(a)}{b-a}

As per the statement:

f(x) = x^2-2x-4

we have to find the average rate of change from x = -1 to x = 4

At x = -1

f(-1) = (-1)^2-2(-1)-4 = 1+2-4 = -1

and

at x = 4

f(4) = (4)^2-2(4)-4 = 16-8-4 = 4

Substitute these in [1] we have;

A(x) = \frac{f(4)-f(-1)}{4-(-1)}

⇒A(x) = \frac{4-(-1)}{4+1}

⇒A(x) = \frac{5}{5}

Simplify:

A(x) = 1

Therefore, the average rate of change for f(x) from x=−1 to x = 4 is, 1

4 0
3 years ago
Read 2 more answers
Draw the meaning of bar diagram
gladu [14]
Draw a bar and draw little squares inside the box not the bar and then shade the boxes this will represent the number
8 0
3 years ago
NEED HELP ASAP WILL MARK BRAINLET FOR GOOD AND CORRECT ANSWER!!!!
hjlf
Hey! The surface area is 294. Have a great day. :-)
3 0
3 years ago
Uhh so i need help with this , it would be very nice if ya’ll helped a sis out
Masja [62]

9514 1404 393

Answer:

  (c)  (3, 6)

Step-by-step explanation:

The only point that is on the line is (3, 6).

__

I find a graphing calculator to be a useful tool.

__

For solving this "by hand," you put the x- and y-values into the equation and check to see if it is true.

A. 2(0) +3(12) = 36 ≠ 24

B. 2(2) +3(9) = 31 ≠ 24

C. 2(3) +3(6) = 24 . . . . . a solution

D. 2(8) +3(0) = 16 ≠ 24

3 0
3 years ago
What is the common ratio of the geometric sequence (-3,-9, -27,-81.....}*
Marianna [84]
Divide any term by the term before it, and you'll get the common ratio of the geometric series.

-81/-27=3
The common ratio is 3.
5 0
3 years ago
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