Determine if the function {(−1, 7), (0, 3), (1, 7), (2, 19)} is quadratic. complete the explanation. it is/isn't a quadratic function. the values at 1 and -1/second differences are the same.

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals