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9. A radioactive substance with an initial amount of 800 grams decays according to the model: A(t)=800e−0.0007t where A(t) is the amount (in grams) remaining after t years. How many grams of the substance will remain aft...

Solve the radical equation √9−2x+4=x+1 Which of the following are the correct solutions?(1 point)x=2 x=3 x=2 or x=3 No real solution

7. Solve the radical equation9−2x+4−−−−−−−−√=x+1 Which of the following are the correct solutions?(1 point)x=2 x=3 x=2 or x=3 No real solution