The function f(x) = 5( 1/5 )^x is reflected over the y-axis. Which equations represent the reflected function? Select two options A. f(x) = 1/5(5)^-x
B. f(x) = 1/5 1/5(1/5)^x
C. f(x) = 5(1/5)^-x
D. f(x) = 5(5)^x
E. f(x) = 5(5)^-x

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?