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3 years ago

Help with these questions please!

Mathematics

2 answers:

Marysya12 [62]3 years ago

7 0

I know this isn't helpful, but I REALLY need help on this question...

Given: f(x) = x^2 + 7x + 10. From the Rational Root Theorem, we know p=10 and q=1. List all potential roots using the ratio p/q.

Alisiya [41]3 years ago

4 0

Answer:

1. 16

2. -4

Step-by-step explanation:

First factor the expression

lim x→1 (x^3 + 5x^2 + 3x-9)/(x-1)

lim x→1 (x-1) (x+3)^2/(x-1)

Canceling the x-1 in the top and bottom

lim x→1 (x+3)^2

Let x=1

lim x→1 (1+3)^2 = 4^2 = 16

2. lim x→0 (x^2 -6x+8) /(x-2)

First factor the expression

lim x→0 (x-4) (x-2) /(x-2)

Canceling the x-2 in the top and bottom

lim x→0 (x-4)

Let x=0

lim x→0 (0-4) = -4

Filling in the table

x -.1 -.01 -.001 .001 .01 .1

f(x) -4.1 -4.01 -4.001 -3.999 -3.99 -3.9

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3 years ago

The point (4,-2) is the vertex of the graph of a quadratic function. The points (8,6) and (2,0) also fall on the graph of the fu

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Step-by-step explanation:

y = ax² + bx + c

~~~~~~~

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3 years ago

Analyze the following table of values. y=1/2x y=1/2^x2+4 y=4^x2+1/2 y=4(1/2)x

Fittoniya [83]

The table models an exponential relationship, and the equation of the table is $y = 4(1/2)^x$

<h3>How to analyze the table of values?</h3>

The table of values is given as:

x 0 1 2 3 4

y 4 2 1 1/2 1/4

The above table shows an exponential model

An exponential model is represented as:

$y = ab^x$

When x = 0 and y = 4, we have

$ab^0 = 4$

Evaluate

a = 4

When x = 1 and y = 2, we have

$ab^1 = 2$

Evaluate

$ab = 2$

Substitute 4 for a

4b = 2

Divide both sides by 4

b = 1/2

Substitute 4 for a and 1/2 for b in $y = ab^x$

$y = 4(1/2)^x$

Hence, the equation of the table is $y = 4(1/2)^x$

Read more about exponential models at:

brainly.com/question/11464095

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2 years ago

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4 years ago

Read 2 more answers

A theater has 60 seats on the front row. There are seven additional seats in each following row.

maksim [4K]

Answer:

(a) y(x)=53+7x

(b) 179

Step-by-step explanation:

Since the first row has 60 seats and next row has 7 additional seats then we can represent it as

First row=60

Second row=60+7=67

Third row=67+7=74

The difference is always 7. If you deduct 7 from dirst row we get 60-7=53 seats

To get rhe number of seats in any row x then let y be the number of seats in row x

y=53+7(x)

For raw 1

Y=53+7(1)=60

For raw 2

Y=53+7(2)=67

Therefore, the formula for number of seats at any row will be

y(x)=53+7(x)

(b)

Using the above formula

y(x)=53+7(x)

Replace x with 18 hence

Y(18)=53+7*(18)=179 seats

5 0

3 years ago