MATHEMATICS HIGH SCHOOL

Which table shows a linear function?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

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Sara was given $85 plus an additional $8per flower arrangement sold. What
equation represents how much money
Sara can make? How much money will
Sara make if she sells 6 flower
arrangements?

Answers

Answer:

Equation: 85+8x
if u substitute 6 for x and solve from their you get 133 as your answer

Find $f^(-1) (-2) =$

Answers

Answer:

$f(2) = - 2$

${f}^( - 1) ( - 2) = 2$

How to solve these question?

Answers

1a) Time = Distance/Speed

t= 20/x seconds

b) d=25m
s= x+0.5 m/s
t= d/s = 25/x+0.5

c) total time = 6 seconds
therefore, 20/x + 25/x+0.5 = 6
make a common denominator of x(x+0.5):

(20(x+0.5) + 25x)/x(x+0.5) = 6
move the demoninator to the other side, and expand to form:

20x+10+25x = 6x(x+0.5)
45x+10= 6x^2 +3x
tidying it up (moving everything to one side)
6x^2 - 42x-10 = 0
divide everything by 2
3x^2-21x-5= 0 (as required)

d) use quadratic formula to solve

e) therefore, what does x equal?

hope this helps

Find the zeros of y=x²-1 from a graph.

Answers

$y=x^2-1$

$0=x^2-1$

$0=(x+1)(x-1)$

$x+1=0$

$x=-1$

$x-1=0$

$x=1$

$zeros:-1,1$

y = x² - 1

I can find the zeros from a graph, but that won't help you any, because
I'm not about to draw the graph and then post it here.

y = (x + 1) (x - 1)

y = 0 when x = +1 or x = -1.

Answer correct for brainliest and also get a thanks !:-) answer A and B!