Which function represents the number of seconds, s, in d days? (Hint: The number seconds in a day is 24 × 60 × 60 = 86,400.). The function that represents the number of seconds, s, in d days is f(d) =
Answers
f(d) = 86400d.
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Answer:in pula mea dute si invata nu mai venii aici\
Step-by-step explanation:vezii ca daca nu invetii ii zic lu mata aia creata ca folosesti brainly bai nesimtitule mars la munca nu la frecat ou bai labare.
a) y = -1
b) y = 3
c) y = x -1
d) y = 3x - 1
*graph is attached for 1st question*
Graph with a line going through points negative 2 comma zero and 0 comma negative one.
Select the equation of a line that is perpendicular to the line on the graph and passes through the point (-1, 2).
y = 2x + 4
y = - 2x + 2
y = - 1 over 2 x + 2
y = 2x - 1
Answers
Answer:
1 -
2 -
Step-by-step explanation:
The general form of a straight line is , where m = slope and b = y-intercept.
Ques 1: We are given that the line passes through (0,2.5) and (4,2.5).
Then the slope of the line is given by,
Then, the y-intercept is given by,
That is, the equation of the line is
Since, 'Two parallel lines have equal slope'.
Then, the line parallel to have slope 0 i.e.
.
As, the line passes through the point (3,-1) i.e. y= -1 for any value of x.
Then, the equation of line is
So, option A is correct.
Ques 2: We are given that the line passes through (-2,0) and (0,-1).
Then the slope of the line is given by,
Then, the y-intercept is given by,
That is, the equation of the line is
Since, 'The product of slopes of two perpendicular lines is -1'.
Then, we have,
The line perpendicular to have slope 2.
As, the line passes through the point (-1,2) with slope 2.
The y-intercept is given by,
Thus, the equation of the line is
So, option A is correct.
The graph of the first line is 0. The graph of the second line will also be equal to 0. Replacing in the general equation of a line y=mx+c;
y=(0)x+c
y=c
Using the point (3,-1)
-1=c
y=-1
B. y = -3(x + 3)2 - 6
C. y = -3(x - 3)2 + 6
D. y = -3(x - 3)2 - 6
Answers
Based on the calculations, the equation of this parabola is equal to: A. y = -3(x + 3)² + 6.
How to determine the equation of a parabola?
Mathematically, the standard equation with the vertex for any parabola is given by:
y = a(x - h)² + k.
where:
- h and k are the vertex.
- a is a point.
Substituting the given parameters into the formula, we have;
y = -3(-3 - (-3))² + 6
y = -3(x + 3)² + 6
Read more on parabola here: brainly.com/question/2346582
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A is your answer
(-3,6) must be a point of the curve.
A) if x=-3 then y=-3(-3+3)²+6=6
y'=-3(x+3)=0==>x=-3
and y=6
B) if x=-3 then y=-3(-3+3)²-6=-6 and not 6
C) if x=-3 then y=-3(-3-3)²+6=-3*36+6= -102 and not 6
D) -3(-3-3)²-6=-3*36-6=-114
Answers
Answers
Answer:
Step-by-step explanation: