Which is one way to check out the answer to 120÷4=30

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.