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Amanda [17]
3 years ago
8

Show that f(x) = 9x - 2 is a one-to-one function.number​

Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

upon graphing, it is linear

Step-by-step explanation:

you could set up an x-y table or you could graph it

if you graph it you'll see it's linear with a y-intercept of -2 and a slope of 9

all linear equations are functions except for vertical lines

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When Mr. Woodward went to his fridge to get the pizza he had bought, his kids have already eaten three-quarters of it. He wanted
dalvyx [7]

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1/8

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3 years ago
Apply the distributive property to factor out the greatest common factor of 55 + 35​
alekssr [168]

Answer:

Step-by-step explanation:

5(11+7)

7 0
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HELP!!! WILL GIVE BRAINLIEST
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a

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Alex sells T-shirts. It costs Alex $6.50 to buy each T-shirt. Alex also pays $150 each month to rent equipment to add print to t
Amanda [17]
Making a profit means ending the month with a number above 0, so your inequality will have to be greater than 0.

(sell) t-shirt = 12
(make) t-shirt = 6.50
and a constant of 150

so your current equation will be the cost of making a t-shirt, the money received by selling, and the cost of rent. it'll look like:

12t - 6.50t -150 > 0

but you want to get t alone to know how many t-shirts you have to sell, so solve the inequality:

12t - 6.50t - 150 > 0
12t - 6.50t > 150
5.50t > 150
t > (150/5.50)

and that fraction is roughly 27.27, so you'll round it up to the next whole number because alex can't make/sell a twenty-seventh of a t-shirt.

alex will have to make 28 t shirts to make a profit, and you can plug it back into the equality like so to check it:

12t - 6.50t - 150 > 0
12(28) - 6.50(28) - 150 > 0
336 - 182 - 150 > 0
4 > 0

and that statement is true, measly profit as it is.
5 0
3 years ago
During a nature walk, Mary identified
mylen [45]

Answer:

No, it cannot be correct.

Step-by-step explanation:

1/5 of 24 is 4.8.

This would mean that Mary would have identified 4.8 animals.

This is logically incorrect, because the number of animals has to be a full number. There cannot be any decimals, or parts of animals.

So, this cannot be correct.

4 0
3 years ago
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