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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
=