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2 years ago

Is 3n a cubic a quadratic a linear or none of these

Mathematics

1 answer:

lilavasa [31]2 years ago

7 0

Step-by-step explanation:

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Class 10

>>Maths

>>Polynomials

>>Revisiting Polynomials

>>Classify the following as linear, quadra

Question

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Classify the following as linear, quadratic and cubic polynomials:

(i) x

(ii) x−x

(Iii) y+y

(iv) 1+x

(v) 3t

(vi) r

(vii) 7x

Medium

Solution

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(i) The highest degree of x

+x is 2, so it is a quadratic polynomials.

(ii) The highest degree of x−x

is 3, so it is a cubic polynomials.

(iii)The highest degree of y+y

+4 is 2, so it is a quadratic polynomials.

(iv) The highest degree of x in (1+x) is 1, so it is a linear polynomials.

(v)The highest degree of t in 3t is 1, so it is a linear polynomials.

(vi)The highest degree of r

is 2, so it is a quadratic polynomials.

(vii)The highest degree of x in 7x

is 3, so it is a cubic polynomials.

Video Explanation

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3 years ago

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A new shopping mall records 120 total shoppers on their first day of business. Each day after that, the number of shoppers is 10

Iteru [2.4K]

Answer:

$1,139\ shoppers$

Step-by-step explanation:

we know that

In this problem we have a exponential function of the form

$y=a(b)^{x}$

where

a is the initial value or y-intercept

b is the base of the exponential function

r is the rate in decimal form

b=(1+r)

In this problem we have

x ----> the number of days

y ----> the number of shoppers

a=120

r=10%=10/100=0.10

b=1+0.10=1.10

substitute the values

$y=120(1.10)^{x}$

First day

$y=120$

Second day

For x=1 day

substitute the value of x in the equation and solve for y

$y=120(1.10)^{1}=132$

Third day

For x=2 days

$y=120(1.10)^{2}=145$

Fourth day

For x=3 days

$y=120(1.10)^{3}=160$

Fifth day

For x=4 days

$y=120(1.10)^{4}=176$

Sixth day

For x=5 days

$y=120(1.10)^{5}=193$

Seventh day

For x=6 days

$y=120(1.10)^{6}=213$

Adds the numbers

$120+132+145+160+176+193+213=1,139$

3 0

3 years ago

Read 2 more answers

Is 3n a cubic a quadratic a linear or none of these​

Is 3n a cubic a quadratic a linear or none of these