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3 years ago

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

Mathematics

2 answers:

amid [387]3 years ago

7 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.

irinina [24]3 years ago

6 0

Answer:

When x equals 1. To solve this, just find the x-intercepts, or where the function intersects the x-axis.

Hope this helps!

Step-by-step explanation:

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If y = 12 when x = 9 find, x when y = 4

s344n2d4d5 [400]

Answer:3

Step-by-step explanation:

12/4=3, 9/3=3

hope it helps

6 0

3 years ago

Roger the park ranger was standing in a look out tower that was 200 ft tall. Looks down, sees a fire. Angle of depression is 7 d

Ainat [17]

Answer:

approx. 24.6 ft

Step-by-step explanation:

x=the distance of the fire from the base of the tower

200ft=the height of the tower

7 degrees=the angle of depression

Using these values you can draw a diagram that highlights that you need to use trig. to work out the answer.

Using Tan:

Tan 7=x/200 ft

multiply both sides by 200 ft

200*tan 7=24.55691218

approx. 24.6 ft

8 0

3 years ago

Two and six hundred thousandths in standard form

mihalych1998 [28]

2.600 in standard form

3 0

3 years ago

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Find the slope. Please someone answer this I need it I’ve been posting it but no one says anything.

KATRIN_1 [288]

Answer:

y=1x

y=0.3x

y=4x

Step-by-step explanation:

6 0

3 years ago

Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the leng

kodGreya [7K]

The square's diagonal is the triangle's hypotenuse.

the original Pythagorean theorem is $a^{2} + b^{2} = c^{2}$ where a and b are the two sides and c is the hypotenuse.

that means the Pythagorean theorem for this question is:

$s^{2} + s^{2} = d^{2}$ or $2( s^{2} )= d^{2}$

8 0

3 years ago

Read 2 more answers