Since there is an expression in the square root, it must be non-negative. So:
Then, the interval is:
![\boxed{x\in~]-\infty,4]}](https://tex.z-dn.net/?f=%20%5Cboxed%7Bx%5Cin~%5D-%5Cinfty%2C4%5D%7D)
Then, the interval is:
An airplane takes off with a full tank of 40,000 gallons of fuel and fillies at an average speed of 550 miles per hour. After 8
1 answer:
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Since this can’t be factored easily, you have to use synthetic division. This makes the answer x+4+(-1/x+5)
