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Home / Assignment Help / What is the inverse of the function f(x) = 2x – 10? h(x) = 2x – 5 h(x) = 2x + 5 h(x) = x – 5 h(x) = x + 5

# What is the inverse of the function f(x) = 2x – 10? h(x) = 2x – 5 h(x) = 2x + 5 h(x) = x – 5 h(x) = x + 5

The answer, my friend, is not A, not B, so it has to be C or D. Which in this case it is C.

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Posted in Mathematics

How to solve f(x)=x^2+1, g(x)= 5x how to solve

(f + g)(x) = f(x) + g(x) = [3x + 2] + [4 – 5x] = 3x – 5x + 2 + 4 = –2x + 6(f – g)(x) = f(x) – g(x) = [3x + 2] – [4 – 5x] = 3x + 5x + 2 – 4 = 8x – 2(f×g)(x) = [f(x)][g(x)] = (3x + 2)(4 – 5x) = 12x + 8 – 15×2 – 10x–15×2 + 2x + 8

Posted in Mathematics

Find f(6) if f(x) = x2 ÷ 3 + x.

The value of f(6) is, 18

Step-by-step explanation:

Given the function:

…..[1]

We have to find the value of .

Put x = 6 in [1] we have;

Simplify:

Therefore, the value of f(6) is, 18

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## Use our writing service to score better and meet your deadlines

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Posted in Mathematics

If h(x) = −2x − 10, find h(−4). −2 −18 −3 −16

The correct option is (a) i.e.

h(-4) = -2

Step-by-step explanation:

The mathematical expression is given as :

……(1)

Where

h(x) is dependent on x

We need to find the value of h(x) at x = -4 . Putting the value of x in equation (1) we get :

h(-4) = -2

The value of h(-4) is -2. So, the correct option is (a). Hence, this is the required solution.

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Posted in Mathematics

What is the 22nd term in the arithmetic sequence in which a4 is 73 and a10 is -11?

For A.P nth term’s formula is
An=a1+(n-1)d

5.) a4=31, a10=85
put n=4 into general term (given above)
a4=a1+(4-1)d
31=a1+3d (putting values of a4)
a1=31-3d ====> (1)

Now put n=10
a10=a1+(10-1)d
85=31-3d+9d (putting values of a10, and a1)
85=31+6d
6d=85-31
6d=54
d=54/6
d=9

Now put the value of ‘d’ into eq (1)

a1=31-3d
a1=31-3(9)
a1=31-27
a1=4

Thus the series will be
a2=a1+d=4+9=13
a3=a2+d=13+9=22
and so on

4,13,22,…..

And the same process for your second question

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