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SOVA2 [1]
3 years ago
15

Select the correct answer. For which function is f(x) not equal to f -1(x)?

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0
A is the answer for which function f(x) is t equal to f -1(x)
sleet_krkn [62]3 years ago
5 0

A.

f(x)= 2-x

let us find f⁻¹(x)

let us say f(x)=y

y=2-x

now we switch x as y and y as x

x=2-y

solve for y

y=2-x

f⁻¹(x)=2-x

so here f(x) and f⁻¹(x) are same

B.

f(x)=-x

let us find f⁻¹(x)

let us say f(x)=y

y=-x

now we switch x as y and y as x

x=-y

solve for y

y=-x

f⁻¹(x)=-x

so here f(x) and f⁻¹(x) are same

C.

f(x)=2x

let us find f⁻¹(x)

let us say f(x)=y

y=2x

now we switch x as y and y as x

x=2y

solve for y

y=x/2

f⁻¹(x)=x/2

so here f(x) and f⁻¹(x) are not same

D.

f(x) =2/x

let us find f⁻¹(x)

let us say f(x)=y

y=2/x

now we switch x as y and y as x

x=2/y

solve for y

y=2/x

f⁻¹(x)=2/x

so here f(x) and f⁻¹(x) are same

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Express tan F as a fraction in simplest terms
gladu [14]

Answer:

  5/12

Step-by-step explanation:

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<h3>Tangent</h3>

The mnemonic SOH CAH TOA is intended to remind you of the relations between trig functions and the sides of a right triangle. The TOA part of this tells you ...

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<h3>Application</h3>

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3 0
1 year ago
Additive inverse of −2, additive identity of −5, additive inverse of 3, multiplicative identity of 19, and multiplicative invers
monitta

Answer:

See Explanation

Step-by-step explanation:

a) Additive inverse of −2

  • the additive inverse of a number a is the number that, when added to 'a', yields zero. This number is also known as the opposite (number), sign change, and negation.
  • So the Additive inverse of -2 is 2. ∴ -2+2=0

b) Additive identity of −5

  • Additive identity is the value when added to a number, results in the original number. When we add 0 to any real number, we get the same real number.
  • -5 + 0 = -5. Therefore, 0 is the additive identity of any real number.

c) additive inverse of 3

  • Two numbers are additive inverses if they add to give a sum of zero. 3 and -3 are additive inverses since 3 + (-3) = 0. -3 is the additive inverse of 3.

d). multiplicative identity of 19

  • an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied
  • Multiplicative identity if 19 is 1 only, since 19 x 1 = 19.

e) multiplicative inverse of 7

  • Dividing by a number is equivalent to multiplying by the reciprocal of the number. Thus, 7 ÷7=7 × 1⁄7 =1. Here, 1⁄7 is called the multiplicative inverse of 7.

d)  | 11-5|×|1-5|

  • | 11-5|×|1-5| ⇒ I6I×I-4I ⇒ 6×4 ⇒ 24

8 0
3 years ago
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