3 years ago

Which equation represents a linear function? A) y = |x| B) y = x2 C) y = -3x3 D) y = 1 4 x

Mathematics

2 answers:

nataly862011 [7]3 years ago

7 0

D hope that helps good luck

Step2247 [10]3 years ago

5 0

Linear means the highest exponent on the placholder is 1
it is also just a straight line

y=|x| is like y=(√x)², it is 2 straight lines

B. y=x², exponent is 2 so no

C. y=-3x³, exponent is 3, so no

D. y=1/4x, yep

D is the answer

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3. A published poll has indicated that 1 out of 15 people who use regular gasoline will pay $.40/gallon more for regular gasolin

nadezda [96]

Answer:

2658936 * $(\frac{14}{15})_{11} ^{12}$

Step-by-step explanation:

probability that the 20th person visiting the service station to purchase regular gasoline will be the 4th person to purchase regular gasoline without ethanol

probability of people who use regular gasoline without ethanol = 1/15 and will pay more ( $0.40) /gallon

The total number of customer in the service station (number of trials) X = 20

success ( r ) = 4

P = 1/15

The probability that the 20th person/customer visiting the station would be the 4th person to purchase regular gasoline without ethanol

FIND ATTACHED THE DETAILED SOLUTION