Answer:
f(-4) = -9
Step-by-step explanation:
f(x)=2x-1
Let x = -4
f(-4)=2*-4-1
= -8 -1
= -9
Answer:
C
Step-by-step explanation:
X² = hyp² - cat²
x² = 625 - 156.25
x² = 468.75
x ≈ 21,6
Answer:
x≥ -4/55, x≤−89
Step-by-step explanation:
Step 1: Subtract 1 from both sides.
−110x+1−1≤9−1
−110x≤8
Step 2: Divide both sides by -110.
−110x/-110≤8/-110
x≥ -4/55