Solve the equation.z - 9.3 = -4.9
A. -4.4
B. 14.2
C. -14.2
D. 4.4
Answer: D
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Sketch the graph and show all relative extrema and inflection points.y = x4 - 2x2 + 3
A. 
Relative maximum: (0, 3)
Relative minima: (-1, 2), (1, 2)
Inflection points: 
, 
B. 
Relative maximum: (0, 3)
Relative minima: (-1, 2), (1, 2)
Inflection points: 
, 
C. 
Relative minimum: (0, -3)
Relative maxima: (-1, -2), (1, -2)
Inflection points: 
, 
D. 
Relative maximum: (0, 3)
Relative minimum: 
Inflection point: 
Solve the problem.Odd numbers are numbers that leave a remainder of 1 when divided by 2, such as 3 and 5. If x represents a number, then 2x + 1 is an odd number. Write an expression for the product of two consecutive odd numbers. Let x be the smaller number.
A. 4x2 + 1 B. 4x2 + 4x + 1 C. 2x + 1 D. 2x2 + 4x
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.b = 2, c = 4
A. a = 2
B. a = 
; a ? 3.464
C. a = 
; a ? 2.449
D. a = 
; a ? 2.828
Use the compound interest formulas A = P
nt and 
to solve.Suppose that you have $2000 to invest. Which investment yields the greater return over 9 years: 7.5% compounded continuously or 7.6% compounded semiannually?
A. $2000 invested at 7.6% compounded semiannually over 9 years yields the greater return. B. Both investment plans yield the same return. C. $2000 invested at 7.5% compounded continuously over 9 years yields the greater return.