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velikii [3]
3 years ago
5

4. If f(x) = 3x + 2, find f(4)?

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

3(4)+2= 14

Step-by-step explanation:

Olin [163]3 years ago
3 0

Answer:14

Step-by-step explanation:

You plug in the value of x=4, into the function. Giving you f(4)=3(4)+2

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AleksAgata [21]

Answer:

20 ........................

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The product of 3/4 and 7/8 is less than 7/8?
luda_lava [24]
0.65625 is the decimal product of the fractions 3/4 & 7/8 whereas 7/8 can be simplified to 0.875 in decimal form... comparing both the values, we see that 7/8 is greater than the product of 3/4 and 7/8.
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3 years ago
Find the inverse function of h(x) = -2/3x + 6.
nalin [4]

Answer:

h^{-1}(x)=-\frac{3}{2}x+9

Step-by-step explanation:

To find inverse of a function, follow the steps below:

1. replace h(x) with y

2. Interchange x and y

3. Solve for the new y

4. Replace y to h^{-1}(x) (this is the inverse function)

<u>Step 1:</u> y = -2/3x+6

<u>Step 2:</u> x = -2/3y+6

<u>Step 3:</u>

x=-\frac{2}{3}y+6\\\frac{2}{3}y=-x+6\\y=\frac{-x}{\frac{2}{3}}+\frac{6}{\frac{2}{3}}\\y=-\frac{3}{2}x+9

<u>Step 4:</u>

y=-\frac{3}{2}x+9\\h^{-1}(x)=-\frac{3}{2}x+9

This is the inverse function.

3 0
3 years ago
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In a class 20 of students, 6 play an instrument and 9 play a sport. There are 9 students who do not play an instrument or a spor
dedylja [7]

Answer:

31%

Step-by-step explanation:

6 0
3 years ago
Us
aleksandr82 [10.1K]

Answer:

x = 30

Step-by-step explanation:

Since this is a right triangle,

90 = (x + 20) + (x + 10)

90 = x + x + 20 + 10

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60/2 = 2x/2

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Check:

x + 20

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x + 10

30 + 10 = 40

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Hope this helps!

4 0
3 years ago
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