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BaLLatris [955]
2 years ago
6

Determine the values of n

Mathematics
1 answer:
N76 [4]2 years ago
8 0
<h2>Answer:</h2><h3>b. n is odd</h3><h2>Step-by-step explanation:</h2>

In this problem, we assume that n is a whole number. The definition of inverse functions tells us that a function f has an inverse function if and only if the function is one-to-one, that is, if there is no any horizontal line intersecting the graph of f at more than one point. This only happens if n is odd. This is called the Horizontal Line Test for Inverse Functions. So let's take two examples:

FIRST:

n=2 \\ \\ f(x)=x^2

Since n is even, an horizontal line will pass through two points as indicated in the first figure below.

SECOND:

n=3 \\ \\ f(x)=x^3

Since n is odd, an horizontal line will pass through just one point as indicated in the second figure below.

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Evaluate (98 x 102) by using suitable identities.
GREYUIT [131]

Answer:

The answer is 9996

Step-by-step explanation:

Using the identity (x+a)(x+b) = x  ^2  +(a+b)x+ab

Writing 102 as 100+2 and 98 as 100−2

Hence (100+2)(100−2) = 100  ^2  +[2+(−2)]100+(2)(−2)

= 10000+(0)100−4

= 9996

The answer is 9996

8 0
2 years ago
Read 2 more answers
How do I do this please help
Umnica [9.8K]

Answer:

wrong as his calculation was incorrect at initial level itself when he found the result of the division

Step-by-step explanation:

Andre said

3 ÷ \frac{2}{3}

=3 \times \frac{3}{2}

=\frac{3 \times 3}{2}

=\frac{9}{2}

but andre calculated it as

=4\tfrac{1}{3}

=\frac{4 \times 3 + 1}{3}

=\frac{13}{3}

Hence his calculation was incorrect at initial level itself

4 0
3 years ago
Kali trains for a race by running around a track. Each lap around the track is 400 meters . She runs 4 kilometers each day how m
Savatey [412]
30 laps is the definite answer to the question
4 0
3 years ago
If 18 percent of the beads in a bag are green, 25 percent are red and 40 percent are purple. What is the probablity of choosing
sweet [91]

Answer:

P(G\ then\ R)=0.045

Step-by-step explanation:

From the question we are told that:

Percentage of  Green beads P_g=18

Percentage of  Red beads    P_r=18

Percentage of Purple beads P_p=18

Therefore

Probability of choosing a Green bead is

 P(G)=0.18

Probability of choosing a Red bead is

 P(R)=0.25

Generally the equation for choosing a green bead then a red bead is mathematically given by

Since Outcomes are independent

 P(G\ then\ R)=0.18*0.25

 P(G\ then\ R)=0.045

7 0
3 years ago
K+2 over 3= -7 <br> How do u solve this problem
harkovskaia [24]
K+2/3=-7
K+2=-7x3
K+2=-21
K=-19
3 0
3 years ago
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