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UNO [17]
3 years ago
15

HELP ME AND ANSWER THIS IK ITS -1 BUT ITS AN MULTIPLE CHOICE!! please don't guess thank you :) and I'll mark you as Brainlest :D

​

Mathematics
2 answers:
ankoles [38]3 years ago
7 0
1 and 0 would also work for this inequality!
zmey [24]3 years ago
4 0

Answer:

C and D

Step-by-step explanation:

Let's solve for x to see what range the answer has to be in:

-2x - 3 ≤ -1

-2x ≤ 2

x ≥ -1

So the value of x must be larger than or equal to -1. So the answers would be 1 and 0

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Use f’( x ) = lim With h ---> 0 [f( x + h ) - f ( x )]/h to find the derivative at x for the given function. 5-x²
beks73 [17]
<h2>Answer:</h2>

The derivative of the function f(x) is:

                 f'(x)=-2x

<h2>Step-by-step explanation:</h2>

We are given a function f(x) as:

f(x)=5-x^2

We have:

f(x+h)=5-(x+h)^2\\\\i.e.\\\\f(x+h)=5-(x^2+h^2+2xh)

( Since,

(a+b)^2=a^2+b^2+2ab )

Hence, we get:

f(x+h)=5-x^2-h^2-2xh

Also, by using the definition of f'(x) i.e.

f'(x)= \lim_{h \to 0} \dfrac{f(x+h)-f(x)}{h}

Hence, on putting the value in the formula:

f'(x)= \lim_{h \to 0} \dfrac{5-x^2-h^2-2xh-(5-x^2)}{h}\\\\\\f'(x)=\lim_{h \to 0} \dfrac{5-x^2-h^2-2xh-5+x^2}{h}\\\\i.e.\\\\f'(x)=\lim_{h \to 0} \dfrac{-h^2-2xh}{h}\\\\f'(x)=\lim_{h \to 0} \dfrac{-h^2}{h}+\dfrac{-2xh}{h}\\\\f'(x)=\lim_{h \to 0} -h-2x\\\\i.e.\ on\ putting\ the\ limit\ we\ obtain:\\\\f'(x)=-2x

      Hence, the derivative of the function f(x) is:

          f'(x)=-2x

3 0
3 years ago
Read 2 more answers
What is the area of the trapezoid
kodGreya [7K]
The answer is c
The are of the trapezoid is c bc that’s the answer I got and it was right
4 0
4 years ago
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What is the yintercept of the function, represented by the table of values below?
gogolik [260]

Answer:

A. 9

Step-by-step explanation:

First find the slope (m) using two given pairs of values form the table, say (1, 6) and (2, 3):

Slope (m) = change in y/change in x

Slope (m) = (3 - 6)/(2 - 1) = -3/1

Slope (m) = -3

Next, substitute (1, 6) = (x, y) and m = -3 into y = mx + b and solve for y-intercept (b).

Thus:

6 = -3(1) + b

6 = -3 + b

Add 3 to both sides

6 + 3 = -3 + b + 3

9 = b

b = 9

y-intercept = 9

7 0
3 years ago
Which table of ordered pairs represents a proportional relationship?
konstantin123 [22]

Answer:

2 is proportional because they all equal one when I divide them

I think :)

5 0
3 years ago
What is the slope-intercept from of the equation y+5=4(x+8)?​
Jobisdone [24]

Answer:

y=4x+27

Step-by-step explanation:

y+5=4(x+8)= (5-)y+5=4x+32(-5)

y=4x+27

6 0
4 years ago
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