Which of the following is true regarding the solutions to the logarithmic equation below? 2logz(x) = 4
log; (x2)-4
x² = 34
x²-81
X=9,-9
OX-9 and x=-9 are true solutions
X-9 and x=-9 are extraneous solutions
x=9 is an extraneous solution and x=-9 is a true solution A
O X - 9 is a true solution and x=-9 is an extraneous solution
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The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

What is the radius of the cone in the diagram? round your answer to the nearest whole number

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