Mathematics, 02.12.2020 19:00 xgibson123
Which of the following exponential functions goes through the points (1, 12) and (2, 36)?
Select one:
a. f(x) = 4(3)โx
b. f(x) = 3(4)โx
c. f(x) = 3(4)x
d. f(x) = 4(3)x
Answers: 2
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Answers: 1
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Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
Which of the following exponential functions goes through the points (1, 12) and (2, 36)?
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