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3 years ago

What is the difference between domain and range?

Mathematics

1 answer:

alekssr [168]3 years ago

4 0

Domain: all x values between the ends of a line on the x- axis

Range: all y values between the ends of a line on the y-axis

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Prove, cotx -tanx= 2 cot2x

ra1l [238]

Step-by-step explanation:

cotx- tanx= 2cot2x

L.H.S

 cosx/sinx- sinx/cosx

(cos²x- sin²x)/ sinxcosx

[ cos²x-(1-cos²x)]/sinxcosx

( 2cos²x-1)/sinxcosx

2cosx/ 2sinxcosx

2cot2x

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3 years ago

What is 80,000,000 +4,000,000+100+8 in standard form

____ [38]

84,000,108 is in standard

5 0

3 years ago

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What number must be added to 14,056 to result in the sum of 38,773

Vlada [557]

24,717.
What you have to do is subtract 38,773-14,056 and then the answer would be 24,717. So all together 24,717 must be added to result in the sum of 38,773.
14,056+24,717=38,773.

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4 years ago

Graph the quadratic variation if g(x) varies directly with x^2, and g(x) = 75 when x = 5.

Darina [25.2K]

Answer:

Third graph from the top

Step-by-step explanation:

Formula for g(x) is g(x) = 3 · x∧2

When we replace x=5 in the formula we get:

g(5) = 3 · 5∧2 = 3 · 25 = 75

God with you!!!

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3 years ago

Is x - 8 a factor of the function f(x) = -2x3 + 17x2 - 64? Explain.

Oduvanchick [21]

we know that

If $(x-8)$ is a factor of the function $f(x)=-2x^{3}+17x^{2}-64$

then

$x=8$ is a root of the function f(x)

therefore

For $x=8$ the value of the function must be zero

Verify

Substitute the value of $x=8$ in the function

$f(8)=-2(8)^{3}+17(8)^{2}-64$

$f(8)=-2(512)+17(64)-64$

$f(8)=-1,024+1,088-64$

$f(8)=-1,088+1,088$

$f(8)=0$

therefore

the answer is

Yes, $(x-8)$ is a factor of the function f(x)

7 0

3 years ago

Read 2 more answers