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JulsSmile [24]
2 years ago
10

What is the result when 16x + 9 is subtracted from 4x + 6

Mathematics
1 answer:
romanna [79]2 years ago
6 0

Answer:

(4x+9)-(16x+9) = 4x+9-16x-9

= -12x

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Which of the following relations is a function?
MrMuchimi

Answer:

<em>A. (1,4), (-5, 2), (7, 1), (-8, 2)</em>

Step-by-step explanation:

<u>Definition of a Function</u>

A function is a relation between an input and an output set of values with the condition that every element in the input set relates only to one element in the output set.

From the four options presented in the question, we must select the only one that doesn't repeat the value for x and has a different value of y.

For example, the set

B. (1,4), (-5, 6), (1, 3), (-8, 2) is not a function because the input value of 1 has two different output values

C. (1,0), (-5,3), (7, 1), (-5,5) is not a function either because the input value of -5 has two different output values

The correct choice is:

A. (1,4), (-5, 2), (7, 1), (-8, 2)

6 0
2 years ago
Please help!!!! Chris is a fitness instructor.
dmitriy555 [2]

Answer:

i think its d

Step-by-step explanation:

3 0
3 years ago
Emmy throws a doggy toy up in the air. The path of the toy is modeled by the function f(x)=−x^2+4x+5, where x is the number of f
Molodets [167]

Answer:

9feet

Step-by-step explanation:

Given the path of the toy modeled by the function f(x)=−x^2+4x+5, where x is the number of feet the toy is from Emmy and f(x) is the height of the toy.

AT maximum height, the velocity of the toy will be zero. Hence;

df(x)/dx = 0

-2x + 4 = 0

-2x = -4

x = -4/-2

x = 2

Get the maximum height;

Substitute x = 2 into the given function;

f(x)=−x^2+4x+5

f(2)=−2^2+4(2)+5

f(2) = -4+8+5

f(2) = 9feet

Hence the maximum height of the toy is 9feet

4 0
3 years ago
What is (are) the x- interscepts of the function graphed above
Vilka [71]

Answer:

D. -4, -1, and 5

Step-by-step explanation:

X-intercepts are the values where your graph (function) crosses the x-axis.

So, on this graph-the pink line crosses the x-axis at these values: -4, -1, and 5.

7 0
3 years ago
Last month, Rhonda earned $3200. Of that amount, she spent $1350 on rent. What percent of her income went to rent, to the neares
Reika [66]
Divide 1350 by 3200.

1350 ÷ 3200 = 0.422

42.2% of her income went to rent. 
6 0
3 years ago
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