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2 years ago

Which function has a range of {y|y ≤ 5}? f(x) = (x – 4)2 5 f(x) = –(x – 4)2 5 f(x) = (x – 5)2 4 f(x) = –(x – 5)2 4

Mathematics

1 answer:

Lorico [155]2 years ago

6 0

The function range of {y|y ≤ 5} is f(x)=-(x-4)^4+5.

Since the range has less than a sign, this means that the parabola is

facing downwards and it means that a is negative.

The range is given by

${y|y \leq k}$

<h3>What is the vertex form of a quadratic equation?</h3>

$f(x)=a(x-h)^2+K$

Since the range is

${y|y \leq 5},$

This means that k = 5 , and since a is negative

The correct function is

$f(x)=-(x-4)^4+5$

To learn more about the range visit:

brainly.com/question/1579288

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Delicious77 [7]

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The correct option C.

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#SPJ4

I understand that the question you are looking for is:

With exponential functions of the form y = -a.b^-x , as x goes to negative infinity, the y-values tend towards .

a.) positive infinity

b.) zero

c.) negative infinity

d.) one

8 0

2 years ago

33% of what number is 1.45

butalik [34]

We have an equation: 1.45/?= 33/100

Cross multiply:
33*? = 1.45*100
⇒ ? = 1.45*100/33= 4.394

The final answer is 4.394~

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3 years ago

Someone please help me answer this!!

aivan3 [116]

Answer:

8 units is the answer.

Step-by-step explanation:

Pythagorean theorem can be written as,

$d=\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\\\d=\sqrt{(9-9)^2 + (-7-1)^2}\\\\d=\sqrt{(0\\)^2+(-8)^2} \\\\d=\sqrt{64} \\\\d=8$

∴ d = 8 units

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3 years ago

Mr. Mole left his burrow that lies below the ground and started digging his way at a constant rate deeper into the ground.

Marizza181 [45]

Answer:

$A(t)=-1.8t-4.5$

Step-by-step explanation:

Mr.Mole's digging can be described by a linear model of general equation:

$A(t)=m*t+c$

Where "m" is the rate at which he descends. Note that since the function A(t) measure his altitude relative to the ground, the rate "m" must be negative.

$(m=-1.8)$