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11111nata11111 [884]
2 years ago
13

F(x)=(x+1)^2 what is the domain of f?

Mathematics
1 answer:
Paladinen [302]2 years ago
7 0
(-8,8) maybe i don’t know
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My kitchen clock is working properly but was showing 14:02, which I know is the wrong time, when I left to walk to my friend’s h
aleksandr82 [10.1K]

Answer:

amwabdhxzv

Step-by-step explanation:

ammmmmmmmzmznznznjjjjuiii

6 0
3 years ago
Write an equation of the line that passes through (−2, −1) and is<br> perpendicular to 2y =3x−5.
marusya05 [52]

Answer:

y = 2/3x - 1

Step-by-step explanation:

Find the slope:

2y = 3x - 5

2/2y = 3/2x - 5/2

y = 3/2x - 5/2

Slope is 3/2

In order for a line to be perpendicular the slope in the equation should be flipped. 3/2 becomes 2/3.

Perpendicular equation:

y = 2/3x + b

b is going to be equal to the y intercept of the point they gave us, so -1.

Answer: y = 2/3x - 1

8 0
3 years ago
y varies jointly as x and z. y equals 80y=80 when x equals 5x=5 and z equals 4z=4. Find y when x equals 4x=4 and z equals 6z=6.
Lubov Fominskaja [6]
\bf \qquad \qquad \textit{direct proportional variation}\\\\&#10;\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby &#10;\begin{array}{llll}&#10;k=constant\ of\\&#10;\qquad  variation&#10;\end{array}\\\\&#10;-------------------------------\\\\

\bf \textit{\underline{y} varies jointly as \underline{x} and \underline{z}}\implies y=kxz&#10;\\\\\\&#10;\textit{we also know that }&#10;\begin{cases}&#10;y=80\\&#10;x=5\\&#10;z=4&#10;\end{cases}\implies 80=k(5)(4)\implies 80=20k&#10;\\\\\\&#10;\cfrac{80}{20}=k\implies 4=k\qquad thus\qquad \boxed{y=4xz}\\\\&#10;-------------------------------\\\\ if~\begin{cases}&#10;x=4\\&#10;z=6&#10;\end{cases}~\textit{what is \underline{y}?}\qquad y=4(4)(6)
7 0
3 years ago
Need help!!! Don’t understand at all…
ryzh [129]
Cos A = adjacent/hypotenuse
Cos A = 9/26 = 0.346
3 0
2 years ago
Choose the correct simplification of m to the seventh power times n to the fourth power all over m to the fourth power times n t
Sholpan [36]

Answer:

m^{3} n

Step-by-step explanation:

Simplify \frac{m^{7}n^{4}}{{m^{4}n^{3}}}

We can simplify the expression by by using the quotient rule. Since the numerator is greater than the denominator and of similar terms, we'll subtract the denominator from numerator. This simply means that to divide two exponents with the same base, you keep the base and subtract the powers.

=m^{7-4}n^{4-3}\\=m^3n

5 0
3 years ago
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