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3 years ago

At which value in the domain does f(x) = 0?

Mathematics

1 answer:

bekas [8.4K]3 years ago

5 0

Answer:

Step-by-step explanation:

f(x)=0 at points of intersection of the graph of the function with x-axis.

From the diagram you can see that the graph of the function intersects x-axis at three points:

somewhere between -3 and -2;

somewhere between -1 and 0;

at x=1.

Since x=1 is the value of x from the domain, then correct choice is option C.

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The temperature went from -16°F to 7°F. What was the change in temperature?

Ganezh [65]

Answer:

-9*F

Step-by-step explanation:

7 0

3 years ago

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write the standard form of the equation of the circle with the given center and radius (6,4), r= square root of 7

REY [17]

The standard form of the equation of a circle is $(x-6)^{2}+(y-4)^{2}=7$ .

Solution:

Center of the circle = (6, 4)

Radius of the circle = $\sqrt{7}$

<u>To find the equation of the circle:</u>

General formula for the equation of a circle

$(x-h)^{2}+(y-k)^{2}=r^{2}$

where (h, k) is the center of the circle and r is the radius of the circle.

Here, h = 6, k = 4 and r = $\sqrt{7}$

$(x-6)^{2}+(y-4)^{2}=(\sqrt{7}) ^{2}$

$(x-6)^{2}+(y-4)^{2}=7$

Hence the standard form of the equation of a circle is $(x-6)^{2}+(y-4)^{2}=7$ .

3 0

3 years ago

The school made $2,800 on the school carnival. The second and fifth grade classes each made only $200. The kindergarten and four

lesya692 [45]

Kindergarten: $400.00

First Grade: $800.00

Second Grade: $200.00

Third Grade: $800.00

Fourth Grade: $400.00

Fifth Grade: $200.00

6 0

3 years ago

I want to know what 1/3 + -7/4 is in fraction form! Thanks!

Elina [12.6K]

The answer will be - 17/12

7 0

3 years ago

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What is the solution of the system defined by y= -x +5 and 5x+2y=14

AlladinOne [14]

Answer:

x = 4/3; y = 11/3

Step-by-step explanation:

y = -x + 5 and 5x + 2y = 14

Since the first equation is already solved for y, we can use the substitution method.

Substitute y of the second equation with -x + 5.

5x + 2y = 14

5x + 2(-x + 5) = 14

5x - 2x + 10 = 14

3x + 10 = 14

3x = 4

x = 4/3

Now we substitute x of the first equation with 4/3 and solve for y.

y = -x + 5

y = -4/3 + 5

y = -4/3 + 15/3

y = 11/3

Solution: x = 4/3; y = 11/3

8 0

4 years ago