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3 years ago

4. Find the difference quotient for f(x) = 3x2 + 2x - 4

Mathematics

1 answer:

AleksandrR [38]3 years ago

3 0

Answer:

h + 2x + 3

Step-by-step explanation:

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Solve using the elimination method x + 5y = 26 - X+ 7y = 22

S_A_V [24]

Answer:

$x=6\\y=4$

Step-by-step explanation:

Elimination method:

$x+5y=26$

$-x+7y=22$

Add these equations to eliminate x:

$12y=48$

Then solve $12y=48$ for y:

$12y=48$

$y=48/12$

$y=4$

Write down an original equation:

$x+5y=26$

Substitute 4 for y in $x+5y=26$ :

$x+5(4)=26$

$x+20=26$

$x=26-20$

$x=6$

{ $x=6$ and $y=4$ } ⇒ $(6,4)$

hope this helps...

5 0

3 years ago

Read 2 more answers

1/3+4/5? What are you gonna convert it to show work

oee [108]

Answer:

Step-by-step explanation:

$\frac{1}{3} +\frac{4}{5} \\\\LCM =15$

Adjust fractions based on LCM

$=\frac{5}{15}+\frac{12}{15}\\\\=\frac{5+12}{15}\\\\=\frac{17}{15}\\\\=1\frac{2}{15}$

7 0

3 years ago

Iva is studying whether students gain weight during their first year of college. She collects weights from all the incoming fres

Ivahew [28]

Answer:

Autocorrelation

Step-by-step explanation:

Autocorrelation seeks to measure the level of correlation between values of the same variables across different observations in the data.

Iva is autocorellating because she wants to measure if students add weight during their first year of college, so the variables she's measuring across broad is the weight which she took at fall then at spring in order to ascertain the difference in the weight in the first year. Measuring of the same variables at different times in order to ascertain changes in the variables measured is autocorrelation.

6 0

3 years ago

Find an equation of the plane that contains (3, 4, −9) and is parallel to x + y − 5z = 1. (Use x, y, and z for coordinates.)

emmainna [20.7K]

Answer:

x + y - 5z = 52

Step-by-step explanation:

Given data:

Point on the plane (3,4,-9)

parallel to x + y -5z = 1

Finding the normal vector

(1 , 1 , -5)(x, y , z) = 1

the normal vector is (1 , 1 , -5)

formula for finding equation the plane given the normal vector (a,b,c) and point (m,n,o) is as

a(x - m) + b(y - n) + c(z-o)=0

Substituting the data we have

1(x-3) + 1( y- 4) - 5(z+9) =0

x-3 +y -4 -5z -45 = 0

x + y - 5z = 45 +4 +3

x + y - 5z = 52

6 0

3 years ago

Which of the green triangles is a reflection of the blue triangle? a Triangle D b Triangle B c Triangle C d Triangle A e None

tiny-mole [99]

Answer:

Triangle A

Step-by-step explanation:

5 0

3 years ago

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