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Helga [31]
1 year ago
7

Which represents the inverse of the function f(x) = 4x?

Mathematics
1 answer:
Cloud [144]1 year ago
8 0
To find the inverse function simply replace "x" by "y", replace "y" by "x", and solve for y
f(x)=4x
y=4x
x=4y
y=x/4 or h(x)=(1/4)x
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Please answer for me :
Arisa [49]

Answer:

Part A - 2\frac{1}{2} + b = 4\frac{2}{3}

Part B - 2\frac{1}{6}

Step-by-step explanation:

8 0
3 years ago
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the average of two numbers is 34. The second number is three times the first number. What are the two numbers?
zvonat [6]
Hey!To solve this problem, we need to set up two equations and use the system of equations to solve.

Let x be the first number.
Let y be the second number.

(x + y) ÷ 2 = 34
x = 3y

Now, we can use substitution to solve.

(3y + y) ÷ 2 = 34
4y ÷ 2 = 34
2y = 34
y = 17

Now, you plug the value of y in the equation to solve for x.

x = 3*17
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hope this helps!!
8 0
3 years ago
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If a polynomial has one root in the form a+√b , it has a second root in the form of a_√b
gulaghasi [49]
When roots of polynomials occur in radical form, they occur as two conjugates.
That is,
The conjugate of (a + √b) is (a - √b) and vice versa.
To show that the given conjugates come from a polynomial, we should create the polynomial from the given factors.

The first factor is x - (a + √b).
The second factor is x - (a - √b).

The polynomial is
f(x) = [x - (a + √b)]*[x - (a - √b)]
      = x² - x(a - √b) - x(a + √b) + (a + √b)(a - √b)
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This is a quadratic polynomial, as expected.

If you solve the quadratic equation x² - 2ax + a² - b = 0 with the quadratic formula, it should yield the pair of conjugate radical roots.
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   = a +/- √b
x = a + √b, or x = a - √b, as expected.
3 0
2 years ago
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alekssr [168]
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7 0
3 years ago
Given the replacement set {2, 3, 4, 5}, solve 4x – 3 = 2x + 5.<br> GIVING 20 POINTS !!
Advocard [28]

Answer:

x=4

Step-by-step explanation:

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x = 4

7 0
2 years ago
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