One way in which you could do this problem quickly and accurately would be to mult. both sides by a^3, to elim. the fraction:
a^n = a^9 * a^3 = a^(9+3) = a^12. Thus, n = 12.
Answer:
At most one of the adults has high blood pressure.
Step-by-step explanation:
(jk)(x)= j (k(x)) = j(9-2x)
= -7(9-2x) = -63 + 14x
but i see there is no such option. may be second option is typo.
so you can select 2nd option
Choice (A) has zero slope becsuse her cost doesn't depend on the number of visits.