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3 years ago

The range of which function includes -4? y= Vx-5 Y=Vx+5 Y= NX + 5 Y= NX+5

Mathematics

2 answers:

iren [92.7K]3 years ago

8 0

<em> $option \: a \: is \: the \: right \: answer \\ y = \sqrt{x} - 5 \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment$ </em>

Vesnalui [34]3 years ago

3 0

I think option C is right because for A and b,we can’t get the square root of a negative number if we substitute -4. Same with D,if we substract we get negative,which doesn’t have a squareroot so C is correct

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3 years ago

Which of the following statements is true?

IrinaVladis [17]

Answer:

option C is correct.

Step-by-step explanation:

Checking equation A

$(9x^3 + 12x) + (16x^3 -4x+1)= 24x^3 +16x-1\\9x^3+16x^3+12x-4x+1=24x^3+16x-1\\25x^3+8x+1\neq 24x^3+16x-1$

Checking equation B

$(3x+2x^2-4)-(x^2+x-5)=2x+x^2-9\\3x-x+2x^2-x^2-4+5=2x+x^2-9\\2x+x^2+1\neq 2x+x^2-9$

Checking equation C

$(10x^3+2x^2-11)+(9x^2+2x-2)=10x^3+11x^2+2x-13\\10x^3+2x^2+9x^2+2x-11-2=10x^3+11x^2+2x-13\\10x^3+11x^2+2x-13=10x^3+11x^2+2x-13$

Checking equation D

$(-7x^2+12)-(5-4x^2)=11x^2-17\\-7x^2+4x^2+12-5=11x^2-17\\-3x^2+7\neq 11x^2-17$

Hence, only option C is correct.

6 0

4 years ago

Compute (4.29×1015)⋅(1.77×10−4)

Yanka [14]

4.29*1015=4354.35
1.77*10^-4= 0.000177
first * second = 0.77071995 with your own sig figs

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3 years ago

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