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Tpy6a [65]
3 years ago
12

Help i need some help pls

Mathematics
1 answer:
atroni [7]3 years ago
4 0

Answer:

yes tell me if I am able then sure

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If f(x) = 2x - 8 and g(x) = x4, what is (gºf)(5)?​
Readme [11.4K]

Answer:

(g°f)x =16 when x = 5

Step-by-step explanation:

It might be easier to understand if you wrote this the other acceptable way.

g(x) = x^4

f(x) = 2x - 8

g(f(x))  means that in g(x) wherever you see and x you put f(x)

g(f(x)) = (f(x) ) ^ 4 Now put in the general value for f(x)

g(2x - 8) = (2x - 8)^4

You really don't want to expand this (although it would give you the right answer eventually).

g(2*5 - 8) = (2 * 5 - 8)^4

g(2*5 - 8) = (10 - 8)^4

g(2*5 - 8) = 2^4

Answer 16

8 0
3 years ago
What is 3.142857 rounded three decimal places
Murljashka [212]

Answer:

3.143

Step-by-step explanation:

Since you're rounded it to the third decimal, you look at the fourth one. And since the fourth one is 8, ur going round 2, which is the third decimal to 3.

4 0
3 years ago
Read 2 more answers
What is the answer?<br> It says i should put it in the order and which one comes first
Rudik [331]

Answer:

B. -11

Step-by-step explanation:

ascending order means least to greatest.

-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7,...

3, -1, \sqrt{5}, 13, -11

-11 is the least number because it is the greatest negative number

8 0
3 years ago
If the tangent line to y = f(x) at (7, 5) passes through the point (0, 4), find f(7) and f '(7).
goblinko [34]
As given,
"tangent line to f(x) is tangent at (7,5)",  therefore f(7)=5.

Line is tangent at (7,5) and passes through (0,4), therefore the slope of the line is the slope of f(x=7) = f'(7).
f'(7) = slope\, of\, line = \frac{y_2-y_1}{x_2-x_1} = \frac{5-4}{7-0}=\frac{1}{7}

8 0
3 years ago
Read 2 more answers
Find the product of (4x − 3)(2x2 − 7x + 1).
pogonyaev

Answer:

The answer is 8x³ - 34x + 25x - 3

Step-by-step explanation:

(4x − 3)(2x2 − 7x + 1)

8x³ - 28x² + 4x - 6x² + 21x - 3

Collect like terms

= 8x³ - 28x² - 6x² + 4x + 21x - 3

= 8x³ - 34x + 25x - 3

The answer is 8x³ - 34x + 25x - 3

4 0
3 years ago
Read 2 more answers
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