Solve the given inequality. if necessary, round to four decimal places.
134a < 19
question 4 options:
a < 0.287
a < 4.2641
a < 1.3863
a < 2.5649

Step-by-step explanation:

we have

Solve for a

Apply log both sides

Remember the rule

㏒(a^n) = n ㏒(a)

so

Divide by 4 log(13) both sides

answer by yourhope:

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x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752