Answer:
Step-by-step explanation:
The easiest way to tell if a relation is a function is to look at the x coordinates. If none of them are the same in the set, then the relation is a function. If any of the x values are used more than once in the set, it is only a relation. This set uses -3 two times, so it is a relation.
Answer:
701-36-458+97-116-205+876-46+632+78+338+270-
174-18-533+901-499475-91-306+53+687-68+259-665+
51-971-239-823+76+333+48+129-826+14+531-77+16+713
148+23-674-388+19+144-987-33+625-448+69+68+299-57 92+486+47-862+89+541+27+620-691+728-63-89+234-39
55+176-505+864+59-238-32+581+47-653+382-91+27+
751+53-982+39+567-992+137+62-438+861+99-
444-705-28-128+692+43-365+207-14Iron filings are small shavings of a ferromagnetic material. Ferromagnetic (for the purposes of this page, at least) means that they will align themselves with a magnetic field. That being the case, iron filings are an excellent way to display the magnetic field of one or multiple bar magnets.
Step-by-step explanation:
#CARRYONLEARNING!
8x + 6=4x + 38
4x = 32
x = 8
<B = 4x + 38 = 4(8) + 38 = 70
