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3 years ago

F(x)=-(-1)^2+ 2(-1)-1

Mathematics

1 answer:

inn [45]3 years ago

6 0

Answer:

f(x)=-4

I recommend this math site that could help you with these kind of problems

Step-by-step explanation:

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A diver begins at sea level and descends vertically at a rate of 2 1/2 ft. per second. How long does the diver take to reach -15

galina1969 [7]

2 1/2 feet can be written as 2.5 feet.

Divide the total distance by the distance per second:

15.6 feet / 2.5 feet per second = 6.24 seconds.

7 0

3 years ago

Wuts the solution too this problem... <br> 6a+7=13+7a

Mila [183]

Answer:

a= -6

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What is the graph of the function f(x) = the quantity of x plus 2, all over x minus 3

Andrej [43]

Answer:

Step-by-step explanation:

The given function is $f(x)=\frac{x+2}{x-3}$ and we need to graph it.

In order to graph this function, we'll find below things:

Horizontal asymptote:

Since the degree of both numerator and denominator is same. Hence, the horizontal asymptote is the ratio of leading coefficient of numerator to the leading coefficient of denominator.

Horizontal asymptote is y = 1/1 = 1

Vertical asymptote:

Vertical asymptote occurs where the denominator is zero.

$x-3=0\\x=3$

x-intercepts:

For x-intercept, y = 0

$\frac{x+2}{x-3}=0\\\\x+2=0\\x=-2$

y-intercepts:

For y-intercept, x= 0

$y=\frac{0+2}{0-3}=0\\\\y=-\frac{2}{3}$

Using these, we can draw the graph of the rational expression.

5 0

3 years ago

Read 2 more answers

A combination lock has 25 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?

IgorC [24]

Answer:

The number of ways is 13,800 ways

Step-by-step explanation:

In this question, we are tasked with calculating the number of ways to form 3-digits codes from 25 different numbers given that no repetition is allowed.

Now, for the first digit, we have all the 25 numbers completely wanting to take a spot. Now, in how many ways can we choose a single out of 25, that would be 25 ways

Now, we have 24 numbers left, and we are trying to pick one, the number of ways this can be done is 24 ways also

for the last digit, we have 23 numbers and we are selecting just one, the number of ways this can be done is 23 ways too

Thus, the cumulative number of ways would be 25 * 24 * 23 = 13,800 ways

7 0

3 years ago

Do the functions have the same concavity?

Vesna [10]

Answer:

Step-by-step explanation:

Function f is graphed. The positive x-axis contains point c. The graph consists of an N-shaped curve. The curve starts in quadrant 3, moves upward concave down to a point in quadrant 1, moves downward concave down to point c in quadrant 1, continues downward concave up to a point in quadrant 4, moves upward concave up and ends in quadrant 1. The curve is purple to the left of point c, where it is concave down, and is green to the right of point c, where it is concave up.

Notice how fff is \purpleC{\text{concave down}}concave downstart color #aa87ff, start text, c, o, n, c, a, v, e, space, d, o, w, n, end text, end color #aa87ff to the left of x=cx=cx, equals, c and \greenD{\text{concave up}}concave upstart color #1fab54, start text, c, o, n, c, a, v, e, space, u, p, end text, end color #1fab54 to the right of x=cx=cx, equals, c.

PROBLEM 1

Let fff be a twice differentiable function. This is the graph of its second derivative, f''f

′′

f, start superscript, prime, prime, end superscript.

Function f double prime is graphed. The x-axis goes from negative 8 to 8. The graph consists of a wave-shaped curve. The curve starts at (negative 8, 0), moves downward concave up to (negative 5, negative 5), moves upward concave up to (negative 2, 0), continues upward concave down t

7 0

3 years ago