SOLUTION: Evaluate -3x^3 - 4x for x = -1. a.) 1 b.) 7 c.) -1

SOLUTION: Evaluate -3x^3 - 4x for x = -1. a.) 1 b.) 7 c.) -1

Algebra.Com

Question 1063836: Evaluate -3x^3 - 4x for x = -1.

a.) 1
b.) 7
c.) -1

Answer by ikleyn(52818) (Show Source): You can put this solution on YOUR website!
.

My dear, substitute x = -1 instead of x into the expression -3x^3 - 4x. You will get

-3*(-1)^3 - 4*(-1) = -3*(-1) + 4 = 3 + 4 = 7.


That's all.

RELATED QUESTIONS
evaluate the function, f(x) = 3-6x-3x(2) for: a) f(-3) b) f(-1/6) c)... (answered by solver91311)

Evaluate the function at the given value of the independent variable and simplify.... (answered by Alan3354,lynnlo)

evaluate 3x+16 for... (answered by Mathtut)

1.evaluate 5x-2y +4z when x=3, y=2 and z=4. 2.evaluate 6a+4b-3c when a=4, b=7, and... (answered by HyperBrain)

Find A, B, and C for the partial fraction decomposition. {{{ ( (4x^2)-3x+7 ) / (... (answered by stanbon)

Given the function f(x)=3x-4, evaluate: (a) f(x-2), (b) f(x)-f(2), (c) f(1)/f(3), and... (answered by solver91311,rothauserc)

Evaluate | 3 | + | -4 | A) 1 B) -1 C) 7 D)... (answered by fractalier)

4x+9 For x=8, -4x^2+2x+7 for x=-1, a^2+5abc-c^2 for a=-8,b=3, and... (answered by checkley71)

1. Evaluate -3x^2 � 4x + 1 when x = -2 2. Solve for x: 3x - (x+6) = 5x + 6(2 - x) (answered by checkley77)