These are the exercises

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1. (-/1 Points]

DETAILS

SPRECALC7 10.1.022.MI.

MY NOTES

PRACTICE ANOTHER

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general

solution in terms of x, where x is any real number.)

x – y = 3

1 x + 3y = 7

(x, y) =

(1

2. [-/1 Points]

DETAILS

SPRECALCZ 10.1.025.

MY NOTES

PRACTICE ANOTHER

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general

solution in terms of x, where x is any real number.)

x + 3y = 11

2x – y = 8

(x, y) =

= (I

3. [-/1 Points]

DETAILS

SPRECALC7 10.1.030.MI.

MY NOTES

PRACTICE ANOTHER

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general

solution in terms of x, where x is any real number.)

– 4x + 12y =

64

12x + 4y = 168

(x, y) =

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general

solution in terms of x, where x is any real number.)

x + 5y = 10

4x + 20y = 3

(x, y) =

= ([

5. [-/1 Points]

DETAILS

SPRECALC7 10.1.043.

MY NOTES

PRACTICE ANOTHER

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general

solution in terms of s, where s is any real number.)

8s – 3t = -16

5s – 2t = -9

(s, t) =

6. [-13 Points)

DETAILS

SPRECALC7 2.1.043.

MY NOTES

PRACTICE ANOTHER

Find f(a), f(a+h), and the difference quotient f(a+h) Ã¢â‚¬â€œ ra),

where h 0.

f(x) = 4 – 7x

f(a) =

f(a+h) =

f(a+h)-f(a)

h

=

7. [-/3 Points]

DETAILS

SPRECALC7 2.1.044.

Find f(a), f(a+h), and the difference quotient f(a+h) Ã¢â‚¬â€œ f(a), where h + o.

h

f(x) = 9×2 + 8

f(a)

=

f(a+h)

=

f(a+h)-f(a)

h

=

8. [-13 Points]

DETAILS

SPRECALC7 2.1.049.

Find f(a), f(a + h), and the difference quotient f(a+h) Ã¢â‚¬â€œ f(a), where h * 0.

h

f(x) = 7 – 2x + 4×2

f(a)

f(a+h) =

=

f(a+h) – f(a)

h

=

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