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Angelina_Jolie [31]
3 years ago
5

Which function has an inverse function?

Mathematics
2 answers:
denis23 [38]3 years ago
7 0

<span>Example 5: If f(x) = 2x – 5, find the inverse. This function passes the Horizontal Line Test which means it is a onetoone function that has an inverse. y = 2x – 5 Change f(x) to y. x = 2y – 5 Switch x and y. Solve for y by adding 5 to each side and then dividing each side by 2.</span>

<span />

murzikaleks [220]3 years ago
3 0
The inverse of (x+5)/5 ===>5x - 5

the inverse of x^5-3 ===>(x+3)^(1/5)

the inverse of x^4/7+27===>to solve it need to know if it's (x^4)/7 or x^(4/7)

the inverse of 1/x^2====> 1/(√x)

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At a gas station during a road trip, Gerard has $32.00 to spend on fuel and windshield washer fluid for his car. Fuel costs $2.7
Lemur [1.5K]

Answer:

Step-by-step explanation:

Total amount with Gerald = $32

Cost of fuel per gallon = $2.75

Cost of each bottle of windshield = $3

38 miles per gallon. If Gerard must fill his car with enough fuel to drive 250 miles,

Total gallons of fuel = 250 miles / 38 miles

= 6.5789473684210 gallons

Total cost of fuel = Total gallons of fuel × cost per gallon

= 6.5789473684210 × $2.75

= $18.1

Amount left for windshield = Total amount with Gerald - Total cost of fuel

= $32 - $18.1

= $13.9

what is the maximum number of bottles of windshield washer fluid Gerard can buy?

= Amount left for windshield / Cost of each bottle of windshield

= $13.9 / $3

= 4.6333333333333 bottles

Maximum number of bottles =

4 bottles

5 0
3 years ago
Help me out. Mathmatics
Nina [5.8K]

Answer: A. 5.6267 X 10^8

Step-by-step explanation:

(5.62 X 10^8) + (6.7 X 10^5)= 562670000

Which has 8 numbers after 5

5.6267 X 10^8 has 8 as well just minus the zeroes

8 0
3 years ago
Please help me solve this
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Step-by-step explanation:

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3 years ago
name the theorem or postulate that lets you conclude triangle ABD is congruent to triangle CBD with only one additional step
evablogger [386]

Answer:

The answer is the first one ⇒ AAS

Step-by-step explanation:

∵ DB ⊥ AC

∴ m∠DBA = m∠DBC = 90° ⇒ (1)

∵ m∠A = m∠C ⇒ (2) given (from figure)

∵ DB is a common side in the two Δ ⇒ (3)

From (1) , (2) and (3)

∴ Δ ABD is congruent to Δ CBD ⇒ AAS

4 0
3 years ago
a giant pizza box in the shape of a rectangular prism measures 38m times 38m times 0.25m. what is the surface area of the box
Helga [31]
So the surface area of a box has this equation: A = 2 (wl + hl + hw)

w = width = 38
l = length = 38
h = height = 0.25

Plugging in:
A = 2 ((38*38) + (38*0.25) + (38*0.25))
    = 2926 square meters
4 0
3 years ago
Read 2 more answers
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