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3 years ago

BRAINIEST This is due today whoever answers this I will give them brainiest

Mathematics

1 answer:

Alexus [3.1K]3 years ago

5 0

Answer:

(a) There are 3 terms.

(b) There are 4 factors in the first term, which are 1, 2, 4, and 8.

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Answer:

it increases

Step-by-step explanation:

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3 years ago

5 times 7/8 is greater than, less than or equal to 7/8

Kitty [74]

The answer is greater than.

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4 years ago

Letter B is plotted at (3,-2). True Or False

schepotkina [342]

Answer:

please friend write your question clearly than I will answer your questions

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3 years ago

Read 2 more answers

2. Abby found the axis of symmetry, x-coordinate, the vertex, and y-intercept

krek1111 [17]

Using quadratic function concepts, it is found that Abby made a mistake on the coordinates of the vertex, which are (-4,1).

----------------------

A quadratic function is defined by:

$y(x) = ax^2 + bx + c$

The y-intercept is given by point: $(0, y(0))$
The vertex is given by: $(-\frac{b}{2a}, y(-\frac{b}{2a}))$ .
The axis of symmetry is: $x = -\frac{b}{2a}$

----------------------

The function given is:

$f(x) = -x^2 - 8x - 15$

Which is a quadratic equation with: $a = -1, b = -8, c = -15$ .
$f(0) = -0^2 - 8(0) - 15 = -15$ , thus, the y-intercept is (0, -15).

$x_v = -\frac{b}{2a} = -\frac{(-8)}{2(-1)} = \frac{8}{-2} = -4$

Thus, the <u>x-coordinate of the vertex</u> is x = -4, which is the same as the <u>axis of symmetry</u>.

$f(-4) = -(-4)^2 - 8(-4) - 15 = 1$

The vertex is given by: (-4,1).

A similar problem is given at brainly.com/question/14680175

8 0

3 years ago

The net profit in dollars per day for a small business owner is given by the equation f(x) = -0.1x^2 + 6 x + 4, where x is the n

notsponge [240]

Answer:

$\large \boxed{\sf \ \ \text{The maximum profit is \$94 per day.} \ \ }$

Step-by-step explanation:

Hello,

The coefficient in $x^2$ is negative.

So, there is a maximum at the vertex point which is

$x=-\dfrac{b}{2a}==\dfrac{-6}{-0.2}=\dfrac{6}{0.2}=30$

And then the maximum is f(30)=

$-0.1\cdot 30^2+6\cdot 30 +4=-90 +180+4=94$

So the maximum profit is 94 $ per day.

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

6 0

3 years ago