H(x) = x2 + 3. Is h-1 a function and why/why not? No, some of the ordered pairs in this list have the same second element.
No, some of the ordered pair in this list have the same first element.
Yes, there is more than one ordered pair in this list.
Yes, no two sets of ordered pairs occupy the same location.

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

Ten times the square of a non-zero number is eqaul to ninety times the number

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18