Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(9x + 4)2
A. 9x2 + 72x + 16
B. 9x2 + 16
C. 81x2 + 16
D. 81x2 + 72x + 16
Answer: D
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Translate the description to a variable expression.Albert Einstein's theory of relativity includes an expression that is the square root of the difference of 1 and the quotient of the square of the velocity, v, of an object in motion and the square of the speed of light, c. Write this expression as an algebraic expression.
A. 
B. 
C. 1 - 
D. 1 - 
Match the function with one of the graphs.f(x) = 2e-x
A. 
B. 
C. 
D. 
Complete the following for the given f(x). (i) Find f(x + h). (ii) Find the difference quotient of f and simplify.f(x) = 10x2 + 10x - 9
A. (i) 10x2 + 10xh + 10h2 + 10x + 10h - 9 (ii) 10x + 6 + 20h B. (i) 10x2 + 20xh + 10h2 + 10x - 9 (ii) 20x + 10 C. (i) 10x2 + 20xh + 10h2 + 10x + 10h - 9 (ii) 20xh + 10h + 10h2 D. (i) 10x2 + 20xh + 10h2 + 10x + 10h - 9 (ii) 20x + 10h + 10
Use a calculator to evaluate the expression.(-2)4
A. -8 B. 16 C. 8 D. -16