Which statement is true about this equation? y = -3x squared + 4r – 11
A.
It represents a relation only.
B.
It represents both a relation and a function.
C.
It represents neither a relation nor a function.
D
It represents a function only.

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels