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Alborosie
3 years ago
14

What is the value of the function y = 2x + 3 ⁢when x=−1 ?

Mathematics
2 answers:
oee [108]3 years ago
7 0
First thing you got to do is <span>substitute</span> x with -1 then you do the work first you got to know your order of operation which is PEMDAS what that stands for is perentice exponent multiplication division addition and subtraction so then what you do first is 2*-1+3 2*-1=-2+3=1 and that is the answer you are WELCOME.

Tju [1.3M]3 years ago
6 0
Y would equal one bc negative two plus three is one
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Solve each of the following for the indicated variable.a. 9 − 6 = 54 for yb. = 2 + 2 for l
marta [7]

Answer:

\begin{gathered} y=\frac{9}{6}x-9 \\ l=\frac{P}{2}-w \end{gathered}

Step-by-step explanation:

To solve the following equations, we need to isolate the variable asked using inverse operations to solve equations.

Remember that addition and subtraction are inverse operations, as multiplication and division.

Therefore,

\begin{gathered} a\text{. Solve for y} \\ 6y=9x-54 \\ y=\frac{9}{6}x-\frac{54}{6} \\ y=\frac{9}{6}x-9 \end{gathered}\begin{gathered} b\text{. Solve for l} \\ P=2l+2w \\ 2l=P-2w \\ l=\frac{P}{2}-\frac{2}{2}w \\ l=\frac{P}{2}-w \end{gathered}

4 0
1 year ago
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!
maxonik [38]

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So, you can look at the graph to see which answer choice has a point from the graph. Choice a says (0,3), and that does not match. Choice b says (5,-1) and that does match. So the answer is B.

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5 0
3 years ago
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The digram repersents a 12cm by 4cm rectangule. Calcute the area of the rectangular,giving the units of your units
brilliants [131]

Answer:

48

Step-by-step explanation:

area of rectangle = lxb

                            = 12 x 4

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6 0
2 years ago
which of the following are the exact same distance from a parabola? A.Locus and Directix B.Axis and vertex C.Directix and Focus
Softa [21]

Answer:

C. Directrix and Focus

Step-by-step explanation:

Given choices are :

A. Locus and Directrix

B. Axis and vertex

C. Directrix and Focus or

D. Vertex and Locus

Now we need to find about which of the above choices are the exact same distance from a parabola.

By definition of parabola, vertex lies at equal distance from directrix and focus.

Hence choice  C. Directrix and Focus  is correct.

6 0
3 years ago
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What is 3/4 + 5/12? I need help.
Reika [66]

Answer:

the answer should be 7/6

5 0
2 years ago
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