Use the graph of f to evaluate each expression.f(4), f(1)
A. -2, 1
B. 0, 0
C. -3, 0
D. -3, -3
Answer: C
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Use Newton's method to estimate the requested solution of the equation. Start with given value of x0 and then give x2 as the estimated solution.x3 + 5x + 2 = 0; x0 = -1; Find the one real solution.
A. -0.39 B. -0.44 C. -0.64 D. -0.38
Factor by grouping.30x2 - 18xy - 25xy + 15y2
A. (30x - 5y)(x - 3y) B. (6x + 5y)(5x - 3y) C. (6x - 5)(5x - 3) D. (6x - 5y)(5x - 3y)
Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.a = 7.2 in.b = 13.7 in.c = 15.6 in.
A. A = 29.5°, B = 59.4°, C = 91.1° B. A = 27.5°, B = 61.4°, C = 91.1° C. No triangle satisfies the given conditions. D. A = 25.5°, B = 61.4°, C = 93.1°
Simplify. Assume radicands of square roots are positive.(
)2
A. 16x2
B. 4x
C. 
D. 8x