Evaluate the expression for x = -2, y = 3, and a = -4.(-5x - 3y)(-8a)
A. -32
B. 32
C. -288
D. 140
Answer: B
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Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 2-m beam can support 770 kg. How many kilograms can a 5-m beam support?
A. 0.0032 kg B. 77 kg C. 308 kg D. 0.013 kg
Provide an appropriate response.Suppose a person deposits $1000 in a savings account at the end of every six months. What is the value of the account at the end of five years if interest is at a rate of 10% compounded semiannually?
Fill in the blank(s) with the appropriate word(s).
For the given functions f and g, find the indicated composition.f(x) = x2 + 4, g(x) = x2 - 2(f?g)(x)
A. x4 - 4x2 + 8 B. x4 + 8x2 + 14 C. x4 + 14 D. x4 + 8
Solve the problem.Suppose that you have $3000 to invest. Which investment yields the greater return over 8 years: 7.5% compounded continuously or 7.6% compounded semiannually?
A. $3000 invested at 7.6% compounded semiannually over 8 years yields the greater return. B. $3000 invested at 7.5% compounded continuously over 8 years yields the greater return. C. Both investment plans yield the same return.