2 years ago

What value of c makes the equation true?

Mathematics

1 answer:

Zina [86]2 years ago

6 0

The answer to this is C

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Consider the following function. f(x) = |x − 9| Find the derivative from the left at x = 9. If it does not exist, enter NONE. -1

nydimaria [60]

Answer with Step-by-step explanation:

We are given that

$f(x)=\mid x-9\mid$

$f(x)=-(x-9)$ when x<9

$f(x)=x-9$ when $x\geq 9$

LHD

$\lim_{x\rightarrow 9-}f'(x)$

= $-\lim_{x\rightarrow 9-}(x-9)=-1$

RHD

$\lim_{x\rightarrow 9+}f'(x)$

$=\lim_{x\rightarrow 9+}(x-9)=1$

$LHD\neq RHD$

Hence, the function is not differentiable at x=9

8 0

2 years ago

The coordinate point F(-8, 0) after a dilation with scale factor of 0.25, centered at the origin, becomes the point

FrozenT [24]

Answer:

$(-2,\, 0)$ .

Step-by-step explanation:

Dilate a point $(x,\, y)$ by a scale factor of $r$ with $(a,\, b)$ as the center, and the resultant point would be at $(a + r\, (x - a),\, b + r\, (y - a))$ .

In this question:

Point to dilate: $(x,\, y) = (-8,\, 0)$ .

Scale factor: $r = 0.25$ .

Center of dilation: $(a,\, b) = (0,\, 0)$ .

The resultant point would be:

$(0 + 0.25\, (-8 - 0),\, 0 + 0.25\, (0 - 0))$ , which simplifies to $(-2,\, 0)$ .

5 0

2 years ago

Is (a + b) and (a - b)? perfect square trinomials?<br> O True<br> O False

lisabon 2012 [21]

Answer:

False

Step-by-step explanation:

Pos and negs cannot be perfect square trinomials

8 0

2 years ago

Read 2 more answers

Solve the value of Z 8 = 16

dezoksy [38]

Answer:

Z=2

Step-by-step explanation:

Z8=16

Z=16/8

Z=2

4 0

3 years ago

Two-fifths of the students in your class are in the band. Of these, one-fourth play the saxophone.

vichka [17]

Answer:

a. 1/10 b. did not understand question

Step-by-step explanation:

It is as simple as two fifths of one fourth. (2/5) * (1/4)= 1 tenth.

3 0

3 years ago