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3 years ago

Which of the following statements about f(x) is true?

Mathematics

2 answers:

3241004551 [841]3 years ago

6 0

The correct answer is b) the function has an inverse because if passes the horizontal line test.

Mama L [17]3 years ago

6 0

Answer:

B. The function f(x) has an inverse because it passes the horizontal line test.

Step-by-step explanation:

The given function is the graph of $f(x)=(\frac{5}{4})^x+1$ .

This function will have an inverse <em>if and only if its graph passes the horizontal line test.</em>

That is, if a horizontal line is drawn across the graph, it will intersect the graph at only one point.

Since the graph of the given function passes the horizontal line test, it has an inverse.

See graph in attachment.

The correct answer is B.

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Y= -27(x+4)³+1 the real zero(s) is (are)

rjkz [21]

$\bf y=-27(x+4)^3+1\implies 0=-27(x+4)^3+1
\\\\\\
-1=-27(x+4)^3\implies \cfrac{-1}{-27}=(x+4)^3\implies \cfrac{1}{27}=(x+4)^3
\\\\\\
\sqrt[3]{\cfrac{1}{27}}=x+4\implies \cfrac{\sqrt[3]{1}}{\sqrt[3]{27}}=x+4\implies \cfrac{1}{3}=x+4\implies \cfrac{1}{3}-4=x
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-\cfrac{11}{3}=x$

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3 years ago

The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars,

Tems11 [23]

For this case we have the following quadratic functions:

Revenue: $3x ^ 2 + 4x - 60$

Cost: $3x ^ 2 - x + 200$

Then, we observe that the profit is given by the following mathematical relationship:

$Profit = Revenue - Cost$

Substituting values we have:

$Profit = (3x ^ 2 + 4x - 60) - (3x ^ 2 - x + 200)$

Making the corresponding calculations we have:

$Profit = x ^ 2 (3-3) + x (4 + 1) + (-60-200)\\Profit = 5x - 260$

Answer:

An expression that represents the profit is:

$Profit = 5x - 260$

4 0

3 years ago

Read 2 more answers

What is the relationship between gross pay and net pay? A. Gross pay is less than net pay B. Gross pay is more than net pay C. G

k0ka [10]

Answer:b

Step-by-step explanation:

7 0

3 years ago

I NEED HELP ASAP PLEASE GIVING BRAINLIEST!!

Salsk061 [2.6K]

Answer:

35 more video games

Step-by-step explanation:

40 times 3 and then substract 85

120-85=35

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3 years ago

Cole says that all quadrilaterals are polygons but not all polygons are quadrilaterals is he correct explain��

zepelin [54]

YES, this is correct. All quadrilaterals whether is a trapezoid, parallelogram, rhombus and others, they are all polygons and all they have 4 sides and 4 angles. We know that a polygon is a figure with at least three sides and three angles.

Not all polygons are quadrilateral, this is also correct since some polygons have five or more sides and angles.

7 0

3 years ago