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Maurinko [17]
2 years ago
5

What is f-1(-3)? N f(x) -6 -3 -3 -1 0 1 3 3 6 5

Mathematics
1 answer:
Ierofanga [76]2 years ago
5 0
It’s f+3 that your anser
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marishachu [46]
The exact answer is 31.25%, or about 31%

8 0
2 years ago
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Could negative two be used as a base to rewrite 32? 64?
Nataly [62]
32=2^5-NO\ because\ (-2)^5=-32\\\\64=2^6-YES\ because\ (-2)^6=64
6 0
2 years ago
Find the measurements (the length L and the width W) of an inscribed rectangle under the line with the 1st quadrant of the x &am
Leni [432]

The question is incomplete. Here is the complete question.

Find the measurements (the lenght L and the width W) of an inscribed rectangle under the line y = -\frac{3}{4}x + 3 with the 1st quadrant of the x & y coordinate system such that the area is maximum. Also, find that maximum area. To get full credit, you must draw the picture of the problem and label the length and the width in terms of x and y.

Answer: L = 1; W = 9/4; A = 2.25;

Step-by-step explanation: The rectangle is under a straight line. Area of a rectangle is given by A = L*W. To determine the maximum area:

A = x.y

A = x(-\frac{3}{4}.x + 3)

A = -\frac{3}{4}.x^{2}  + 3x

To maximize, we have to differentiate the equation:

\frac{dA}{dx} = \frac{d}{dx}(-\frac{3}{4}.x^{2}  + 3x)

\frac{dA}{dx} = -3x + 3

The critical point is:

\frac{dA}{dx} = 0

-3x + 3 = 0

x = 1

Substituing:

y = -\frac{3}{4}x + 3

y = -\frac{3}{4}.1 + 3

y = 9/4

So, the measurements are x = L = 1 and y = W = 9/4

The maximum area is:

A = 1 . 9/4

A = 9/4

A = 2.25

6 0
3 years ago
What is the value of x?<br> 4 cm<br> 32 cm<br> 40 cm
Luba_88 [7]

Answer:

x=5

Step-by-step explanation:

Since 32 is 8 times 4 cm, then 40/8=5.

7 0
3 years ago
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Please help in math???? I got 11/250 but that isnt an option? HELP!!!
lina2011 [118]
-2/3 / -15

Find the reciprocal of -15 and multiply:

-2/3 * -1/15

Multiply the numerators and denominators together:

2/45
8 0
2 years ago
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