Find the real solutions of the equation. Use a calculator to express the solutions rounded to two decimal places.?(1 + x)2 - 5 = 2(1 + x)
A. {-0.62, -0.18}
B. {-1.62, -0.62}
C. {-0.62, 0.82}
D. {0.62, -1.98}
Answer: D
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Solve.Horsepower developed by an engine is directly proportional to its displacement. How many horsepower will be developed by an engine with a displacement of 320 cu in. if a 280-cu in. engine of the same kind develops 200 hp? (Round to the nearest whole number, if necessary.)
A. 224 hp B. 229 hp C. 240 hp D. 232 hp
Find the exact value by using a half-angle identity.cos
A.
B. -
C.
D. -
Using synthetic division, determine whether the numbers are zeros of the polynomial.2, -4; f(x) = x3 - 5x2 - 22x + 56
A. No; yes B. Yes; yes C. Yes; no D. No; no
Combine like terms in the expression. Answer "not possible" if terms cannot be combined.11yz + 7yz
A. 18yz B. 36yz C. 77y D. 18y2z