Multiply the polynomials. Express the answer as a single polynomial in standard form.(10x - 11)2
A. 100x2 - 220x + 121
B. 10x2 - 220x + 121
C. 10x2 + 121
D. 100x2 + 121
Answer: A
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Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
- cos x
A. cos x B. tan x C. csc x D. cot x
Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $1,384.17 due B. $1,384.17 refund C. $11,424.23 refund D. $11,424.23 due
Subtract.
A. 8440 B. 8430 C. 440 D. 8370
Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.log84 + log8(x3 - 4) + log85
A. log8( x3 - 80) B. log8( x3 + 5) C. log8( 20x3 - 80) D. log8(4x3 - 16)