Factor the trinomial completely.8x4 + 18x2 + 9
A. (4x2 - 3)(2x2 - 3)
B. (4x2 + 1)(2x2 + 9)
C. (8x2 + 3)(x2 + 3)
D. (4x2 + 3)(2x2 + 3)
Answer: D
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The given number is a whole number, an integer, a rational number, a real number, or more than one of these. List all that apply.0
A. Integer, rational number B. Whole number, real number C. Whole number, integer, rational number, real number D. Real number
Write the exponential equation as an equation involving a logarithm.15x = 225
A. log225x = 15 B. log22515 = x C. log15225 = x D. logx225 = 15
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2000.
A. 516 cases B. 194 cases C. 258 cases D. 241 cases
The dimensions of a door are src="https://sciemce.com/media/3/ppg__cognero__Section_11.3_Applications_Involving_Quadratic_Equations__media__4857d74c-ec33-4d64-aca8-4944712dff8c.GIF" style="vertical-align:-1px;" varid="variable_id_field" variablename="impvar_431fcdefd1a84857abfd5b9c9" class="wirisformula" /> Find the dimensions of the new door. 
by 
. If the same amount is added to each dimension of the door, the area is increased by
A. 
B. 
C. 
D. 
E. 